2x+y=13

x+4y=17

Solve with elimination

Find the diameter of a circle if the circumference is 52π inches

How to solve 4m - 3 = - 1

What is the mean absolute deviation of the following set of data 12 10 12 6 8 4 2 12

How do you find the area of a circle?

A local real estate magazine used the median instead of the mean when it reported the SAT score of the average student who attends Groveland High School.

What two numbers add to 5 and multiply to 4

If I was asked to think of a number and multiply it by 2, I could write this algebraically as 2x. Write the following algebraically, using x as your unknown. "I think of a number, multiply it by itself and then add 6 to the result."

10 skeins of yarn will make 4 scarves. How many scarves can be made with 25 skeins of yarn?

The probability that a new spark plug is defective is 0.06. You need two new spark plugs. What is the probability that both spark plugs you buy are defective? A) 0.06 B) 0.12 C) 0.0036 D) 0.0030

Angie has a jar that contains 2 red marbles, 2 blue marbles, and no other marbles. She randomly draws 2 marbles from the jar. If the marbles are the same colour, she discards one and puts the other back into the jar.