Write following comparison as a ratio reduced to lowest terms 40 nickels to 38 dimes

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?