Write the linear system as a matrix equation in the form AX=B where A is the coefficient matrix and B is the constant matrix. 7x+8y=112
8y=56

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

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Find the solution(s) to x^2-14+49=0