What expression is equivalent to tan x

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

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.