Which property is illustrated by the equation 3(mn)=(3m)n

The first triangle is dilated to form the second triangle. select true or false for each statement. statement true false the scale factor is 0.625. the scale factor is 1.6. a right triangle with a side length of .5. an arrow points to a larger right triangle with a side length of .8

If f(x) = 5х – 2 and g(x) = 2х + 1, find (f – g)(x).

What is the measure of angle a and angle c ?