19. Suppose carpet costs $20 per square yard. How much will it cost to carpet the floor shown below?
12 yards
8 yards
(a) $1,160
(b) $400
(c) $800
(d) $1,920 (e) none of these
Please show the work

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?

Solving algebraic equations 2m+3=11

Which expression is the factorization of x^2+10+21