Can someone simplify these?

(3x^2) 3x^2 and (3x^3) ^2 (x^2)

I'd really appreciate it.

8+w/4 when w equals 16

In a survey of 400 people randomly selected it was determined that 22 play soccer. What is the probability that a randomly selected person play soccer?

K/8=14/4 what do k equal in this problem

There are 250 students on Jhon Murphy middle school. if there are 120 boys on the school, what is the ratio of girls to boys?

Epresent the quadratic polynomial 2x2 + x - 6 using algebra tiles and determine the equivalent factored form. The number of zero pairs needed to model this polynomial is. The equivalent factored form is.

What is the equation of a circle with a center at (1, 1) and a radius of 5?

Your cell phone cost $24.99 per month plus $0.18 for each text message you send of receive. You must have at most $29 to spend on your cell phone bill. What is the maximum number of text messages that you can send or receive next month

In your own words, describe what it means for a number to be a solution to an equation. How do you check to see if a number is a solution to an equation?

How to write 5x - 7y = 14 in function form

The one digit of a two digit number is one less than the tens digit. One-half the sum of the ones digit and double the tens digit is 13. Find the number and show your work.