In desperate need of help please :/

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

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

Empty box + box + empty box fill in the box is equal to 30 how