Triangle XYZ has vertices X(–1, –1), Y(–2, 1), and Z(1, 2). What is the approximate measure of angle Z? 37.9° 60.3° 78.5° 81.9°

In angle pqr find the measure of

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)