What is the first step in evaluating the expression shown below? (12.9-3.1) 6.2 - 2 + 43
A. Multiply 3.1 and 6.2.
B. Add 2 and 43
C. Subtract 3.1 from 12.9.
D. Subtract 2 from 6.2.

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

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Precalculus question, image attached.