5x+y=8 2×+y=5 please help

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 inverse of f(x) = 6x -24

What is the equation of a line that passes through points (0, 4) and (-4,-8)?