Which expression is equivalent to rm ÷ rn? A. n B. rm + n C. rm ⋅ n D. rm ÷ n

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

43lbs of tomatos cost $387. how much would 41lbs cost

Evaluate cos2θ for cosθ = square root of 3/2