(2x+4)^2 - (x-5)^2 = 26x
solve (explained)

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

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.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?