Jake bought the pizza shown above for lunch, which was cut into four equal slices. what percentage of the pizza did jake eat if he had only one slice?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Prove that quadrilateral is a rhombus.