2x+y-z=-3

y+z=2

4x-y+z=12

What does 14/12=12/equal as a mixed number

Simplify - 3 (3x+2) + (4x+2y-10)

Write a function rule for the area of a rectangle who's the length is 3 feet more than it's width what is the area of the rectangle when it's width is 9 feet

Arlan needs to create a box from a piece of cardboard. The dimensions of his cardboard are 10 inches by 8 inches. He must cut a square from each corner of the cardboard, in order to form a box.

What is equivalent to 4:3

How many 1/3 are in 4 wholes

A math teacher gave her class two tests. 76% of the class passed the first test. 58% of the class passed both tests. What is the approximate probability that a student who passed the second test, given that he passed the first test.

What is 75% of 420 minutes?

A student club has 15 members. How many ways can a committee of 6 members be chosen? A. 504 B. 720 C. 5,005 D. 3,603,600

Round 188.84 to the nearest tenth