Substitution for - 3x+y=-9

A 25 foot ladder leans against a wall 7 feet from the base of the wall. How high does the ladder touch?

What is the solution to the following system of equations? 4x + 2y = 6 x - y = 3 A). (2, 1) B). (-2, - 1) C). (2, 4) D). (2, - 1)

A notebook has a perimeter of 36 inches and an area of 80 square inches. What are the dimensions of the notebook?

Tamera's dosage of medication has recently decreased 20 milligrams per day

2xsquare-6x+3=0 by completing the square method?

What are the common factors of 18 and 63

On a coordinate plane, a horizontal line goes through y = negative 3. Using the graph, determine the value of the slope.

Holly drew the parallelogram below to represent the design of her new garden. A parallelogram with base b and height h. She found that the area of the garden will be 127 and one-half square feet by using the equation Area = b h.

52. What is the range of the function f (x) = x2 - 6 when the domain is {3,4,5}?

The quantity x minus 2y, plus 3