Verify the identity. cos (x - y) - cos (x + y) = 2 sin x sin y

Bonnie invested $8000 for 6 years in a savings account paying simple interest with a yearly interest rate of 1.5%. How much simple interest did she earn? Show your work.

Graph the equation x^3+3x^2=x^2 to find the solution

Estimate, 6 and 1/2 - 5 and 7/8. five and six are whole base numbers.

There were135 bottom in a jar Robin put more bottom into the jar how many goups of ten bottoms did she put in a jar

5. A gram of fat contains nine calories. An 1,800- calorie diet allows no more than 20% calories from fat. How many grams of fat are allowed in that diet? a. 40 g b. 90 g c. 200 g d. 360 g

Factor completely. 49 t6 - 4 k8

Which statements are true for the function y = |x| - 2? Select all that apply. The value of the function is never negative. Its graph has a V-shape. There is only one input for which the output is 0. There are two inputs for which the output is 5.

Whats 5+8-9-777777+2567-976

If A=16 degrees 55' and c=13.7, find a

What's the algebraic expression of "4 times a number cubed decreased by 7"?