Can you find the equations for A and B?

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.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?