If log a(8) = 5, what is the value of a 5?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)