A=1/2 xy + 1/2 (x+y) solve for y

Multiplying an even number of negative numbers gives an answer that is choose from:

Tom drove 206 miles in 3.9 hours. estimate his average speed.

The table below shows the function f. determine the value of f(3) that will lead to an average rate of change of 19 over the interval [3, 5]. a. 32 b. -32 c. 25 d. -25