Cosxsinx-2cosx=0

I dont know how to solve this

Teri has a bag of colored marbles. Five marbles are red, four are green, ten are blue, and one is white. Marbles are randomly selected out of the bag. What is the probability of selecting a red marble and then a white marble without replacement?

Keelie has a triangular-shaped card. The lengths of its sides are 3.6 cm, 4.5 cm, and 5.4 cm. Is the card a right triangle?

You reserve 2/5 of the seats on a tour bus. You are able to fill 5/8 of the seats you reserve. What fraction of the seats on the bus are you able to fill?

If you vertically stretch the reciprocal parent function, F (x) = 1/x, by multiplying by 8, what is the equation of the new function?

Find the volume of the pyramid shown. L=4 W=5 H=6

The produce place sells cranberries in bulk for $2.40 a pound. The store also sells and 8 ounce package for $1.50. Which is the better buy? Show all work!

A pump discharges 278 gallons of water in 3.5 minutes. How long would it take to empty a container with 750 gallons? Round up to the nearest minute

Round these numbers to the nearesth hundredth~ 1. 0.285 2. 0.116 3. 0.709 4. 0.563

By what percent is 70 less than 200

Stefan has been given two segments and the measure of an angle between them. He is trying to construct a congruent triangle. He has just finished one of the steps of the construction. Which step has he just finished?