Write the augmented matrix for each system of equations. -2x-2y+5z=1, -5x-5y+7z+4, 9x-2y+2z+-1

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?

Which function is represented by the graph? a. f(x)=|x-1|+3 b. f(x)=|x+1|-3 c. f(x)=|x-1|-3 d. f(x)=|x+1|+3