On a piece of paper, use a protractor to construct a triangle with measures of 50 and 70.
what is the measure of the third
1.60
2.80
3.100
4.180

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?