Which expression is equivalent to (3x-5y) + (x+2y)

A. 4x-7y

B. 4x-3y

C. 4x+3y

D. 4x7y

Explain why molecules do not have electric charges

6800 dollars is placed in an account with an annual interest rate of 9%. To the nearest year, how long will it take for the account value to reach 52000 dollars?

Kelsie sold digital cameras on her website. She bought the cameras for $65 each and included a 60% markup to get the selling price. To the nearest dollar, what was the selling price for one camera?

Read the following scenario: A barista has to make sixty pounds of a special blend of coffee at Moonbucks, using Hazelnut Happiness beans and Pecan Delight beansIf there are fourteen fewer pounds of Hazelnut Happiness beans in the mixture than Pecan

1. Marisol is preparing a care package to send to her brother. The package will include a board game that weighs 4 pounds and several snack packs that each weigh ½ lb. The total weight of the care package must be less than 25 pounds.

Is three squared a rational number

After 20 minutes Juan had completed 12 questions, which is 0.7 of his assignment. What percentage of the assignment was not completed.

A shop owner pays $5400 intakes, which is 15℅ of his gross earning in a year. What is his annual amount?

A plus 5 is the side of an equilateral triangle. find it's perimeter

Which best describes independent events? The results of all events have different individual probabilities. The results of any previous events affects the probability of future events. The results of all events have the same individual probability.