10) Tanya exercised for 30 minutes. She noted the calories burned three times during her workout. How can Tanya use this information to find how many calories she burned after 15 minutes of exercise?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Ineed in figuring out this problem.

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.