Simplify each expression.
(6b3 + 6 - 64) - (8b3 - 6b4 + 2)
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What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box

Question 6(multiple choice worth 5 points) (05.02 lc) what is the value of x? a right angle is shown divided into two parts. the measure of one part of the right angle is 10 degrees. the measure of the other part is 2x 20 40 45 85