riley bought 3.75 yards of blue fabric 12.25 yards a red fabric and 7.5 yards of purple fabric if she paid 6.50 per yard how much did the fabric cost

Which best explains why this triangle is or is not a right triangle?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

What is another way to express 36 +32