Simplify.

-3x + y - 1 - 8x + 3y

An airplane is flying due west at a velocity of 100 m/s. The wind is blowing out of the south at 5 m/s. What is the magnitude of the airplane's resultant velocity?

One person can do a certain job in twentyone minutes and another person can do the same job in twenty eight minutes. How many minutes will it take them to do the job together?

Rusty is trying to decide what to eat at La Grande Apple. In how many ways can Rusty order one entrée, one side, and one dessert

Fuel is 98 additive 42 what is the ratio

X and Y together complete a task in 4 days, Y and Z together in 5 days. If they work independently, who will finish the work in the least time? A. X B. Y C. Z D. Not enough information to decide

At the grocery store, a 15-ounce box of raisin bran costs $3.19. A 20-ounce box of raisin bran costs $3.59, and a 25.5-ounce box of raisin bran costs $3.99. What is the unit rate for each box of cereal? Round each answer to the nearest cent.

Nick's mother bought 4 3/8 pounds of strawberries on Monday. Nick ate one fourth of the strawberries before he went to bed. A. How many pounds of strawberries did Nick eat on Monday? B. How many pounds of strawberries were left? C.

another system of equations with the same number of solution that use the first equation only 12 y+51 y=156 and - 8x-34y=-104

You are asked to choose your favourite season of the year, and then your second favourite season. Draw a tree diagram to display the number of different possible outcomes.

What are the two formulas for circumference? Are they the same? Explain why.