3y+8-7y=11 which value of y makes the equation below true

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 are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Which table shows a proportional relationship between miles traveled and gas used?