10/21 equal to 2a/a+b
a. 41/10
b. 10/13
c. 5/16
d. 1/13

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.