There are a total of 11 ducks and goats in the barn. There are 34 legs in all (each duck has two legs and each goat has four
legs).
Use substitution to solve the linear system of equations and
determine how many ducks, x, and goats, y there are. Express
the solution as an ordered pair (x, y).

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.