How many possible ways are there to get a spare (knock down all pins in two rolls) in bowling? show work.

What two criteria are needed for triangles to be similar

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost