Here's a subtraction problem that has been solved incorrectly.

2 1

- 9

1 1

Choose the addition sentence that checks this subtraction problem.

A) 21

+ 9

30

B) 1 1

+ 9

2 0

C) 1 1

+ 2 1

3 2

Simplify. (√3) (5√3)

The sum of two number is 20 and their difference is 4. Find the ratio of greater inequality of the number.

What is the y intercept for 2x-5y=15

Amy has a blue dress, a purple dress, a white dress, and a yellow dress. For shoes, she can choose either sneakers, sandals, or high heels. How many different outfits can she wear?

Distributive 7 (5+x)

Divide £250 to ratio 3:6:1

Let f (w) = 2w^3 - 5. Let z = 2. What is f (z) ?

Find an equation of the line that passes through (0,2) and is parallel to y = 1/2x + 6

Expression equivalent to (-3x + 6.3y) - (-5x + 4.2y)

Roger ran at a speed of 15 miles per hour for 4 minutes. how far did he run in that time?