Which measurement of acute triangle ABC can you find by direct substitution of the labeled measures in the law of cosine

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left