In ghi, the measure of i=90°, the measure of h=7°, and ig = 4.6 feet. find the
length of hi to the nearest foot.

Find dy/dx using implicit differentiation ln(20+e^xy)=y

How to solve a simultaneous equation involved with fractions?

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.