What is the value of y in the solution to the system of equations?

x + y = 1

2x - 3y = - 30

-8

-3

3

8

Write a polynomial of least degree with roots 7 and - 5. Write your answer using the variable x and in standard form with a leading coefficient of 1.

The ShowMe Movie Theater is showing 12 movies. Each movie is shown at five different times during the day. How many showtimes does Bart have?

JT Espanol You roll one die. What is the probability that you roll a 6?

A cylindrical water tank has a radius of 5 feet and a height of 10 feet. The volume of water in the tank is 565.2 cubic feet. What percent of the tanks volume is filled with water?

Find the height of the pole if the shadow of a boy 6ft tall is 3ft and the shadow of the pole is 2 1/3 yards

Given the following definitions: U = {1, 2, 3, 4, 5, 6, 7} A = {1, 2, 4, 5} B = {1, 3, 5, 7} How many elements are in A' ∪ B?

The radius of a cylinder is increased from 9 to 9.03 inches. if the height remains constrant at 12 inches. Estimate the change in volume

Sun Valley and San Jose are 105 km from each other. How far apart would the cities be on a map that has a scale of 1 cm : 15 km?

Y^2-18y+81 quadratic equation/formula

if three pipes are all opened, they can fill an empty swimming pool in 3 hours. THe largest pipe alone takes one third the time that the smallest pipe takes and half the time the other pipe takes.