Csc θ = 2, where sin θ > 0, and cos θ < 0

step-by-step explanation:

answer: 42

use a calculator to find that 845/73 = 11.575

the whole part of the answer is 11. multiply this by 73 to get 11*73 = 803.

subtract that result from 845 to get 845 - 803 = 42

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72