How can I solve the following system of equations: - 4x + y = 6, - 5x - y = 21. I know I can cancel out but I don't know where or where to go from there.

The lengths of the sides of an unknown quadrilateral are as follows: 15, 18, 15, 18 Which of the following could be the unknown quadrilateral? parallelogram rhombus trapezoid square

2 1/4 pounds of chocolate cost $9.00. What is the price per pound?

The expression below is the factorization of what trinomial? 14x^2 - 39x - 35

Tickets to a movie cost $7.25 for adults and $5.50 for students. A group of friends purchased 8 tickets for $52.75. Determine the total number of adults and student tickets.

The perimeter of the top of desk is 54 inches. if the length of the desk is 15 inches. what is the width of the desk? 24

What is 2.8 in expanded form

What is the answer to solve negative eight positive negative 2 for integers?

Aaron wants to buy a bicycle that costs $128. So far, he has saved $56. The equation a + 56 = 128 can be used to find the amount an in dollars that Aaron still needs to save. What is the solution to the equation?

joel is laying pipe for a sprinkler system before he plants his lawn. the lawn is a rectangle, 15 feet long and 8 feet wide. he needs to lay piece of pipe that will run along the diagonal of the lawn.

What is 0.418 in word form