Plz help I don't know how to do this

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

What line represents the relationship between r and s

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?