Solve using substitution.

x - 7y = 13

x + 4y = 2

Two figures have the same area. The first figure is a parallelogram with a base of 10 feet and a height of 19 feet. The second figure is a right triangle with a leg of 28 feet. Find the length of the other leg of the right triangle.

5) Round 992,449 to the nearest hundred thousand 6) Round 9,254 to the nearest hundred 7) Round 5,068 to the nearest ten 8) round 5282 to the nearest ten 9) Round 813 to the nearest ten 10) round 223 to the nearest ten 11) round 44,769 to the

During Christmas a book store sold 30 books. If the ratio of books go bookmarks sold was 10:1, how many bookmarks did the store sell?

A function is shown. f (x) = 3x2 + 4x + 1

how you can you find the price of a blender three years from now if the inflation is constant at 4% and the blender costs $38 today.

18 of the last 30 cars that passed by you were black. what is the probability the next car will be black. (0.18, 0.6, or 0.30)

Suppose Charlie places $7000 in an account that pays 12% interest compounded each year. Assume that no withdrawals are made from the account. amount at the end of one year amount at the end of two years

Drina wrote the system of linear equations below

Prudie needs $90 or more to be able to take her family out to dinner. SHe already has saved $30 and wants to take her family out to eat gain in 4 days. Write a equality to find how much she needs to earn each day.

The volume of a cylinder is 576x cubic inches. The radius of the circular base is 4 inches. What is the height of the cylinder? Recall the formula V - xrn. 18 inches 24 inches 36 inches 72 inches