Which number line represents the solutions to x − 21 = 6?

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83