Rachel decided to have bouncy balls as a party favor. she determines that her ratio of bouncy balls to guests is 9: 3. explain how to find the number of balls needed for 30 guests.

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

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