Solve 2x+2> 10 i need to know what this is?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol