Which pair of expressions below is equivalent?

A. x + y + x + y and 2 (x + y)

B. 5 (2x - 3y) and 10x - 3y

C. 4x - 5y and 5y - 4x

D. 9x + 2y and 11xy

Farmer John needs to build a new watering trough for his horses. He has laid out a diagram on grid paper so he knows how much material to buy.

5.349 round to the nearest tenth

About 13 out of 20 homes have a personal computeron a street of 60 homeshow many would have a personal computer

How do you describe measures of center of a data set?

A bag contains 102 marbles, some red and some transparent. The ratio of red marbles to transparent ones is 4 : 2. How many transparent marbles are there?

In the local coed softball league the male to female ratio is 6:6 if there are a 160 players in the league how many are female

A car travels 3 hours at 50mph; then travels 40mph for 7 hours. How many miles does it travel during the 10 hours?

A total of 449 tickets were sold for the school play. they were either adult tickets or student tickets. there were 51 fewer student tickets sold than adult tickets. how many adult tickets were sold?

The price of 1kg of apples is 0.85$. What is the price of 200 grams of apples?

Express 900 as a product of its prime factors in index form. Write the prime factors in ascending factors.