What is the solution to the system of equations?

(x + 3y - z = 2

4x + 2y + 5z = 1

3x + 2 = 12

Item 11 an account earns simple interest. find the annual interest rate. i = $30 p = $250 t = 3 years

if selina 8% commission on sales. on one sale, her commission was $20.40. what was the amount of that sales

Heather went out for a leisurely walk at a rate of 3 miles per hour. What was her speed in yards per minute?

Rachel has a box in the shape of a prism with a square base. The capacity of the box is 150 cubic inches. The height of the box (y) is 1 1/2 times the base length of the box (x). Find the approximate height and the length of the box.

Jackson picked apples for his family he pick a total of 6 1/2 pounds. he took 2 3/4 pounds to his aunt and 1 5/8 to his mother how many pounds if apples were left for his grandmother

Bob won big at bingo last night, he walked away with $800. The first thing Bob does is to take a cab to his mother's house. He gives the cab driver $20 and tells him to keep the change.

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 100.

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000

John has a bag of marbles that contains 12 red marbles 20 green and 17 blue. if john pulls one marble what is the probability that it will be a purple marble

Solve for x: 2 over 3 (x - 4) = 2x. 2 - 2 - 8 - 4