Sarah spent $15.75 at the movies on a ticket and snacks. Then she earn $40 babysitting and bought a book for $9.50. Sarah has $34.75 left. Which integers would you use to represent the dollar amounts described in the situation?

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Which number line correctly shows 0.8 + 0.3?

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.