Circus has 20 performers, of which 6 are dancers. What is the probability that a randomly selected performer will be a dancer?

Write your answer as a fraction or whole number.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red