What is the exact value of sin^-1 (1/2)

An automobile company has 10 choices of body styles and 8 choices of engines. How many combinations are available?

Solve for the variable r in this equation: s = 2πrh

How much 50% sugar syrp shoud you add to 20 quarts of 20% syrup to make it 40% and 52% of what number is 26?

Can someone simplify 6 (x + 3)

Write each fraction as a percent. 1. 3/10 2. 7/20 3. 8/25

Argot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x2 + 1 inches, and its perimeter is 4 (2x2 + 1) inches. If x = 3.5, how much ribbon does she need?

6.4*10³+5.2*10³ how to solve this?

Mr. Boll can pick a bale of cotton by hand in 5 days. If his son joins him in the work, they can pick a bale in 3 days. How long would the son take to do the job?

Becky works 16 days each month. how many days will she work in 6 months

Which relationships hold true for the sum of the magnitudes of vectors u and v, which are perpendicular? a. ||u+v||=||u||+||v|| b. ||u+v||=sq rt (||u||^2+||v||^2) c. ||u+v||