A first number plus twice a second number is 2. Twice the first number plus the second totals 22. Find the numbers.

Will mark brainiest 2.) Find the sum and choose the correct answer. 2n^3 + 4n^2 - 7 and - n^3 + 8n - 9 A.) - n^3 - 4n^2 - 8n - 16 B.) n^3 + 4n^2 + 8n - 16 C.) n^3 + 4n^2 + 8n + 16 D.) 3n^3 + 4n^2 + 8n - 2

70 is the sum of 15 and Hectors age.

What are the factors of 294

Enter the slope-intercept equation of the line shown below.

To weigh your cat, you hold it while you step on the scale. By yourself, you weigh 130.6 pounds. Holding your cat, you weigh 142.5 pounds. How much does your cat weigh?

Convert the angle 2.5 radians to degrees, rounding to the nearest 10th.

Yolanda is finding 23,567-12,458. She added 2 to 12,458 before subtracting. Then she added it in again after she subtracted. Is her method correct? Explain.

5 chocolates cost 25$. What will 15 chocolates cost?

Two trains, train A and train B simultaneously depart station A and station B. Station A and station B are 252.5 miles apart from each other. Train A is moving 124.7mph towards Station B, and train B is moving 253.5mph torwards station A.

Candace rolled two number cubes 42 times. She got doubles 11 times. What was her experimental probability of not getting a doubles?