Which answer choice is the best first st 2y – 6 = -1 ? pls help asap

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.

Opposite angles in a parrellelogram are

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?