If 15 jellyfish are 5% of the colony, how many jellyfish are in the colony?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.