Three friends went to lunch. they all ordered the same meal. at the end of lunch they gave the waiter a $12 tip.

a. write a algebraic expression to represent the situation.

b. how much total money was spent if each meal cost $7.50?

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.