Which expression below are equivalent to 2 (2x + 1)

N=8 x=9 What is 2n + (-6) ?

The selling price of lumber at Home Depot is $3,170, percent markup on cost is 30%. Calculate the actual cost. (Round your answer to the nearest cent.)

Which of these pairs of numbers differ by 495 when they are squared? Choices:A. 17 and 19 B:21 and 30 C. 27 and 18, or D. 23 and 32

Solve the system of equations: y=4x-3, y=-2x+9

Evaluate each expression if x=9 and y = 3

In a poll of Mr. Briggs's math class, 67% of the students say that math is their favorite academic subject.

A bubble rises through water at a rate of about 1.15 feet per second. How far will the bubble rise in 9 seconds?

Perry made a wooden cube with an edge length of 8.5 inches in shop class. He painted half the faces of the cube red and the other half yellow. What is the surface area of the portion of the cube that is painted red?

A square orange rug has a yellow square in the center. The side length of the yellow square is x inches. The width of the orange band that surrounds the yellow square is 11 in. What is the area of the orange band?

There is a number which its square root is the square root of another number