What is the numerical expression of the sum of 21 and 4 doubled

Complete the factorization of 4x2 - 9. 4x2-9 = (x- x+)

What is the 5th square number

2^X = 17^X How do you solve that equation?

Select Repeating or Nonrepeating to correctly classify each decimal. 1.01011 2.23¯¯ 3.426¯ 4.321321 ... the minus signs mean like a line over the number

The radius of the circle below intersects the unit circle at (3/5 • 4/5 What is the approximate value of e?

What is a reasonable estimate of a school desk

8/33 in decimal form

Barry needed 16 cubic feet of mulch to put under the playground equipment. Each bag of mulch covered 2.1 cubic feet. Barry planned on buying 16 bags of mulch. Is this a reasonable plan? A.

Wilson drew a scale drawing of a community college. He used the scale 1 centimeter = 9 meters. In the drawing a building at the college is 18 centimeters long. What is the length of the actual building?

A Ribbon is 12 3/4 feet long. Into how many 3/4 foot pieces can it be cut?