Solve each system of equations below by the substitution method. And show your work.

11. x-y=3

6x+4y=13

Percent change from 150 to 100

What is the approximate volume of the cylinder? Use 3.14 for π. AlternativeText

605 mi in 11 hours at the same rate how many miles would he drive in 13 hours

6x-2y = - 48 4x+3y=-23 problem

A kids skipping rope is 210 cm long. how many ropes could i cut from a 10 meter long piece of rope?

Expand and simplify 9 (2x + 3) + 4x

What is the mean of the following set of numbers? 13, 15, 11, 30, 20, 24, 13 A. 15 B. 13 C. 19 D. 18

The height of an ostrich is 20 inches more than 4 times the height of a kiwi. Write and solve an equation to find the height of the kiwi. Show that your answer is reasonable.

A:b=2:3 b:c=4:7 a:c = x what is x?

What single decimal multiplier would you use to increase by 7% followed by a 4% decrease?