Please help me asap!

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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.

Find the zeros of each function. f(x) = x^2 + 5x - 6