alexander runs one mile in 8 minutes and walks it in 8 minutes slower. what is the ratio of his running speed to his walking speed, in simplest form?

Write a description of each inequality. 1. -5a + 3 > 1 2. 27 - 2b < -6 (this < has a _ under it) 3. 1/2 (c + 1) > 5 (this > has a _ under it)

Divide reduce the answer to lowest term 3/7 divided 1 1/6

Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.