A student wants to write an expression for,"all of the elements which are not in set A". Which expression below matches the statement? -A
NA
A’
B

What is the value of the expression below? (81^2)^1/8

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.