20.(03.06 MC) Choose the equation below that represents the line passing through the point (2, -4) with a slope of
(1 point)
y = = x+5
O y=x-3
y = -x-5
O y=x+3

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

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.

Can someone me out here number 4 plz