In your biology class, your final grade is based on several things: a lab score, score on two major tests, and your score on the final exam. There are 100 points available for each score. However the lab score is worth 30% of your total grade, each major test is worth 22.5%, and the final exam is worth 25%. Compute the weighted average for the following scores: 91 on the lab, 83 on the first major test, 90 on the second major test, and 84 on the final exam. Round your answer to the nearest hundredth.

Judy paid $120.96 for carpet for her room that is 144 square feet. Nathan liked the carpet she chose, but he wasn’t sure it would match the walls in his living room, so he purchased a 1-square-foot sample of the same carpet. Based on the price Judy paid, what was the cost of the sample?

Jasmine has taken an online boating safety course and is now completing her end - of - cour se exam. As she answers each question, the progress bar at the bottom of the screen shows what portion of the test she has finished. She has just completed Question 3, and the progress bar shows she is 20% complete. How many total questions are on the test?

Kori categorized her spending for this month into four categories: Rent, Food, Fun, and Other. The percents she spent in each category are pictured here.Rent 29% Food 24% Fun 17% Other 30%If Kori spent a total of $2700 this month, how much did she spend on Rent?

According to a census​ bureau, in 2007 the average price of a new home in a certain region was ​$254254 thousand. By​ 2010, the price had dropped by 37.737.7​%. What was the average price of a new home in​ 2010?

You are given 9 stones which look and feel identical. One of them contains a valuable gem worth $250,000 and is actually slightly heavier than the other 8(but not enough to detect by lifting by hand) if you identify the gemstone it is yours to keep. You have a balance scale which you can use exactly 2 times. Once you have used the scale twice you never get another opportunity. How can you be certain to find the stone that contains the gem? If you guess at any point you lose your chance to win the gemstone.

A player on a college basketball team scored a total of 630 points during her second year in college. In her third year, she improved her shooting, and her total points increased by 20% over her second year. How many points did she score in her third year in college?

The area of a certain country is 34​% more than the area of Georgia​, so the​ country's area is what percent of Georgia's ​area?

Last year’s freshman class at Big State University totaled 5,320 students. Of those, 1,262 received a merit scholarship to help offset tuition costs their freshman year (although the amount varied per student). The amount a student received was N($3,450, $480). If the cost of full tuition was $4,050 last year, what percentage of students who received a merit scholarship did not receive enough to cover full tuition? (Round your answer to the nearest whole percent.)

For the hot dog eating contest for the year 2020, in Iowa, the male regional winner ate 32.5 hot dogs and the female winner ate 12.5 hot dogs. How much more hot dogs did the male winner eat than the female winner?