Please help solve:
|2x + 3| is less than or equal to 13

answers provided in pictures attached.

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

Solve 2^x=32 and rewrite this equation in a logarithmic form

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.