A zookeeper predicted that the weight of a lion would be 2.8 pounds. When the zoo's gave birth, the lion weighed 3.5 pound. What was the percent error?

Solve the system of equations. y= 2x y= x^2 - 15

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

What expression is equivalent to 1/2(2+3x-6)