Greg knows that he requires between 5 and 7 minutes to answer a question on his physics tests. It he is to take a test and complete in 60 minutes, how many questions, q, will he be able to complete?

A block with initial temperature of 65°F was put inside the oven with temperature of 350°F. After 10 minutes of being inside the oven, the block's temperature is 150°F. Find the answer for the following questions. 1) Find the temperature of the object after 30 minutes. 2) Find the time when the object reaches a temperature of 250°F.

Rachel works 2 different jobs. She is paid $15 per hour as a caretaker and $8 per hour as a dog walker. Last week she worked a total of 21 hours and made $280. How many hours did she work at each job that week? Show the calculations/thought process that lead you to your final answer.