Which expression represents the total perimeter of the two figures? 20x
4x2 + 9x – 5
13x + 4
25x – 5

Match each function with its rate of growth or decay

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 the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°