Select all the equations that are true when x is -4. Multiple select question. A) −8=2x B) −12=x·−3 C) −12=x+x+x D) x4=−1 E) x+4=−8 F) x2=−16

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 expression is equivalent to 42x-56y

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)