Mis directly proportional to ra When r = 2, M= 14
a) Work out the value of M when r= 12.
b) Work out the value of r when M = 224.

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour. what is the cyclist average rate for the round trip in miles per hour ?