I need help please. Iam am not sure what to do.

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

The parabola opens: y=√x-4 (principal square root) up down right left

Find the value of x. give reasons to justify your solutions! c ∈ ae