Use your calculator to find the approximate volume in cubic units of the solid created when the region under the curve y=sin(x) on the interval [0, pi] is rotated around the x axis

What are the domain and range of the function? f(x) = -4 (sqrt)x

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?