In triangle ABC, ZA = 45°, m2B = 40', and a = 7. Which equation should you solve to find b?
O A 20:45
cos40
b
7
O B. b2 = 72 - 2(7) bcos40°
sin40°
O c. sin45
6
D. sin45
sin40
b
7

41/2 - 1 1/3 what is the answer as a fraction?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca