Prove this ~ cosx/1-tanx + sinx/1-cotx = cosx + sinx
and rewrite this in terms of only ssinx and cossx

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69

Jan is making cakes for her party. five cakes will serve 45? people. how many cakes will she need for 72people? what is the unit rate? graph your data.