Use substitution to solve the system of equations.

y = - 2x

x - 3y = 21

(3, 4)

(-6, 12)

(3, - 6)

(-2, - 6)

Lauren reads in the library for 1 hour 15 minutes. She leaves the library at 3:23 pm. at what time did she arrive?

If you work 52 weeks/year and 40 hours/week, how many hours would you work in one year? a. 1580 b. 1800 c. 2080 d. 2640

What is 9 divided by two hundred and fifty one

Whats 4times 1 and one fifth

Three printing presses, R, S, and T, working together at their respective constant rates, can do a certain printing job in 4 hours. S and T, working together at their respective constant rates, can do the same job in 5 hours.

Ms Cooke bought 9/10 of a cake. She ate 2/5 of her cake. How much cake left.

The average of 4 number is 85. if three of the numbers are 76, 78, and 81 what is the fourth number.

Aiden and Ryan are collecting clothes for a shelter. Ryan collected 1/4 as many clothes as Aiden did. If Aiden collected 12 bags of clothes, which expression below could you use to find out how many bags of clothes Ryan collected? a. 12 : 1/4 b.

29, 19, and 29 triangle as acute, right, or obtuse.

Dean ran 1 2/5 miles. Sheila ran three times as far as Dean. How far did Sheila run?