Use the substitution method to solve the system of equations. Choose the correct pair.

x+y=12

-x=-y-10

A 8,4

B 9,3

C 11,1

D 10,2

Find the smallest perimeter and the dimensions for a rectangle with an area of 36 in^2

Sally buys a hand bag. There was a discount of 30% discount. If Sally paid $17.50, what was the original price?

What is the general form of the equation of the given circle with center A (-3,12) and the radius is 5?

How do u do 18.5 on a coordinate plane

What is the mean, median, mode, and range of the following numbers:12,15,17,16, and 10

Write each interval as an inequality: (-1, 10] [-3, 3] (-infinity, 0] or (5, infinity) [3, infinity) (-infinity, 4) [25, 50)

A population of flies, P, over a given amount of time, x, is modeled by the expression P (1+r) ^x. Note: r represents percentage rate as a decimal What does each factor in the expression represent? Select each correct answer.

The elevators in the Empire State Building descend at a rate of about 7 meters per second. How far has the elevator descended after 10 seconds?

Tan154-tan49/1+tan154tan49 *all are in degrees. What does sin, cos, and tan equal?

What is the unit rate for this problem: $4.50 for 10 ounces of trail mix