What are the real zeros of polynomials: f(x) = x3 + 3x2 – X – 3

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.