Now let's increase the width of their square by 2 units. Write an expression for width of the new shape in terms
of its briginal width x.

Me answer number 3plz explain how you do it

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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.