9. Which graph can be used to find the solution to the system of equations? y = x-1
9y = 6x – 15

The table represents a linear function. what is the slope of the function? –6 –4 4 6

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.

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes