Which expression is equivalent to (3x-5y)+(x+2y)?
1. 4x-7y
2. 4x-3y
3. 4x+3y
4. 4x+7y

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

What is 1.5% of 120 or what number is 1.5% of 120