Use the substitution method to solve the system of equations. Then check your solution.

1.) b=-4a+5

a-b=5

2.) 6x-y=-15

x+2y=17

3.) x=10

y=2x-6

4.) n=-7m-4

14m+2n=-8

A person runs 1 4/5 miles in 1/5 of an hour. Determine how many miles they are running per hour

Which is the graph of f (x) = x2 - 2x + 3?

Simplify by dividing (-3/8) - 5/9

Create a model showing 80% of 300

How do you solve 4/9 - (-2/9)

An athletic field is a 46 yd -by-92 yd rectangle, with a semicircle at each of the short sides. A running track 20 yd wide surrounds the field.

17. The height of a falling object can be modeled by the equation h=-16t" + vt + h, where V is the initial velocity in feet per second, t is time in seconds, and h, is the initial height in feet. Is the function linear or nonlinear, and why? a.

If you got 5 dogs and 7 cats but one got eaten from both of them. How much do you have left.

Bradley is returning home from a place that is 2 kilometers away. The function y = 2,000 - 90x represents Bradley's distance from home in meters, y, in relation to the number of minutes he walks, x. Which statements about this function are true?

What is 125% of 332?