It has to be a exponent

An angle that measures between 90 and 180° is called a(,

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.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10