9x-7y=31 what is the number for x and y

Carlos started at sea level, climbed a cliff to a height of 14 m, then dived 19 m. How do I find the level at which his dive ended?

In right triangle ABC A and B are complementary angles and sin A = 8/9. What is cos B?

Find the product. (2p 3) 3 · (3p 2) 2

Using x=5 and y = 3 find the valure of the expression 10xy-5x^2

A copy machine makes 32 copies per minute. How many copies does it make in 4 minutes and 30 seconds?

Given f (x) = - 15x - 13, find x when f (x) = - 28.

Tickets of a program at college cost $4 for general admission or $3 with a student ID. If 180 people paid to see a performance and $613 was collected, how many of each type of ticket were sold?

If you select 10 Sundays from the school year at random, is likely to have studied the most hours overall, and is likely to have studied the least hours overall. NextReset

If the factors of a polynomial are x-2 and x-5, what values of x make that polynomial 0? A. 1 and 2 B. - 2 and - 5 C. 2 and 5 D. Cannot be determined

A dog weighs 2 pounds more than a cat. 3 cats and 4 dogs together weigh 43 pounds. How much does a dog weigh? How much does a cat weigh?