Eight friends ate at a restaurant and agreed to share the bill equally. because judi forgot her money, each of her seven friends paid an extra $2.50 to cover her portion of the total bill. what was the total bill?

Factor this polynomial completely x^2-64

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73