Which double-angle or half-angle identity would you use to verify that sin2x/2sin^2x=cotx

What is the slope of the line perpendicular to the graph of - 7+y=1 a.-7 b. 1/7 c. 1/7 d. 7

Marcus nan and olive each have 1.65 in their pockets they decide to combine the money how much how much money do they have altogether

Simplify the following 18x^4-9x^2+12x/3x^2

Solve the following equation for z. w=p (y-z)

What is the radius of a circle if the area is 58

Identify the two whole between which the product lies 5*7/10

Hannah and Francine have $120. Hannah and Peter have $230. Peter has 6times as much money as Francine. How much money does Hannah have?

Mrs. Burdell 's storage container is 3 feet long, 2 feet wide, and 8 feet tall. Can she fit 44 boxes that each has a volume of 1 cubic foot in her container ? Explain your answer.

Is 6x² + 5x polynomial

Order this set of measurements from greatest to least:2 lb; 891 g; 1 kg; 0.02 T