Find r2 in each of the following situations: (report as a percent. ex: 20%) a. SSTO=500, SSE=300. b. SSTO=200, SSE=40. c. SSTO=80, SSE=0. d. SSTO=100, SSE=95.

You can buy a mountain bike on sale for only $572.97. What is the percent markdown if the original price was $669.50? (Round to the nearest whole percent.) O 12% O 13% O 14% O 86%

ame: structor: ditional Exercises 6.5 ve. Round percents to the nearest tenth if necessary. 1. An inspector found 40 defective batteries during an inspection If this is 2.5% of the total number of batteries inspected, how many batteries were inspected?

3. Write each percent increase or decrease as a percentage of the initial amount. The first one is done for you. a This year, there was 40% more snow than last year. The amount of snow this year is 140% of the amount of snow last year. b. This year, there were 25% fewer sunny days than last year. c. Compared to last month, there was a 50% increase in the number of houses sold this month. d. The runner's time to complete the marathon was a 10% less than the time to complete the last marathon.