Item 6

Solve the system of linear equations by substitution.

x=2y+7

3x-2y=3

You need 2 gallons of juice for every 12 people attending the open house. How many gallons of juice would be needed for 156 people?

If x and y are positive integers, what is the value of xy? (1) The greatest common factor of x and y is 10. (2) The least common multiple of x and y is 180.

A sequence consists of 16 consecutive even integers written in increasing order. the sum of the first 8 of these even integers is 424. what is the sum of the last 8 of the even integers?

Which of the following is a term, variable, and expression? a. 21 b. ab c. 5x2 d. h

How would I calculate the probability of the sum of 4 being rolled on two dice

Determine whether the equation has one solution, no solution, or an infinite number of solutions. 7x - 9y = 12

Mike is working on solving the exponential equation 37^x = 12; however, he is not quite sure where to start. Using complete sentences, describe to Mike how to solve this equation.

Given: 7n+2=4n+17 prove: n=5

Find the volume of a cylinder whose base has a radius of 3 and whose height is 12.5. Use pie = 3.14 and round to the nearest tenth.

Kendra parents are planning their vacation for the summer. They will be traveling 1,246 miles. Their car averages 24 miles to a gallon of gas. A gallon of gas costs $2.50.