Is the ordered pair (2,1) the solution the the equation y=1-x

The perimeter of a rectangle is 68 ft. The ratio of the length to the width is 9 : 8. What are the dimensions of the rectangle?

If y = 14 when x = 8, find y when x = 12

How do you use division to change eleven twentieths to a decimal

Abigail needs at least $199 to purchase the new phone that she wants. Last week she babysat and earned $45. Write and solve an inequality to find m, the amount of money Abigail needs to meet her goal.

Find the degree of the monomial. 3x^8y^4 A. 4 B. 8 C. 3 D. 12

6 is greater than 3 (t + 2)

Solve the following system of equations by using the substitution method. x = 4 - 2y 4x + 8y = 16

Is a√ (b) * c√ (d) equal to √ (a^2*b*c^2*d) ?

Calculate the median of 5,10,12,4,6,11,13,15

19. The recipe for a batch of brownies calls for 1/2 cup of oil. You only want to make 1/4 of a batch. How much oil do you need