David bought three candy bars for $2.45. Assuming that each candy bar is the same price, what is the unit rate for the cost of the candy bars? Be sure to round your answer to the nearest hundredth.

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum