To solve 2x + 9 = 21, what is the first step?

A. Dividing each side by 2

B. Dividing each side by x

C. Subtracting 21 from each side

D. Subtracting 9 from each side

A computer that originally cost $899 is on sale for 15% off. What is the sale price of the computer?

Tom and jerry drove 270 total miles in 5 hours. Tom always drives 40 mph and jerry always drives 60 mph. it's a wonder they can manage to remain friends. How many hours did Tom drive and how many hours did jerry drive?

The sum of 4.3 and a number, d

A department store is holding a drawing to give free shopping sprees to two lucky customers. there are 15 customers who have entered the drawing: 6 live in the town of gaston, 4 live in pike, and 5 live in wells.

The base of a building is shaped like a parallelogram. The first floor has an area of 1575 square feet. If the base of this parallelogram is 75 feet, can its height be 25 feet? Explain

Dao has 2 3/8 pounds of hamburger meat. He is making 1/4 pound burgers. how many hamburgers can he make?

What expression represents the phrase eight less than the product of a number and two

What is 0.514 written as a power of 10? a. 514 x 10^2 b. 514 x 10^3 c. 514 x 10^-3

The table below shows the height (in inches) and weight (in pounds) of eight basketball players Height: 67, 69, 70, 72, 74, 74, 78, 79 Weight: 183, 201, 206, 220, 226, 240, 253, 255 What is the correlation coefficient of the set of data?

How to do angles like vertical and congruent