The sum of the ages of ken and erica is 62 years. 7 years ago, ken’s age was 3 times erica’s age. how old is ken now?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)