What is equivalent to 5d + 4e + 3d + 2e

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

Twelve less than a number is at most 20

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?