5) Simplify the expression: * 4x + 5(2y - x)
A) 3x + 10y
B) -x + 10y
C) 19xy
D) -x + 5y

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

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.

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?