Marta uses the expression $92 - 0.12($92) to find the sale price of an item and gets the answer $78.20. show how to find an underestimate and an overestimate to explain why her answer is reasonable

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.

Ill mark the brainliest if you me with the these three questions 7,8,9

The trigonometric ratios sine and secant are reciprocals of each other