2a + 3b = 5
b = a - 5
What is a and b?

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Aline passes through 3,7 and 6,9 what equation represents the line

Having a hard time understanding this question (see attachment).