What is - 13r + 20r = - 14

A mango farm contains 1250 mango trees. Each tree produces an average of 160 mangoes during the summer. How many such mango farms are needed to produce 8,000,000 mangoes during the summer?

A bag contains five red marbles, two orange marbles, one yellow marble, and two green marbales. Two marbles are drawn from the bag. What is the approximate probability of choosing an orange marble and green marble?

A triangle has an area of 45 square units. Its height is 10 units. What is the length of its base

Solve for F. 3 (6-f) - 4=3f-4

Jordan made 3 cups of lemonade to sell at the dock street school back sale. She divided the lemonade into 2-ounces container. How many full containers were packaged for the sale?

Find 3 consecutive numbers where the product of the smaller two numbers is 19 less than the square of the largest number.

Membership to a video game club is $50 a year and $3 per game rented. At the end of the year Chue had spent $296. How many games had he rented?

there are 26 members and 5 chaperones. They have to take a van and sedan for a trip. each van fits in 7 people and the sedan fits 5. How many sedan and vans will they take if there is a total of 31 people?

Where did Cailou come from?

Twelve more then nine-sevenths of a number is twenty two. What is the number