Evaluate the determinant for the following matrix: a. –42 b. –36 c. 12 d. 10

What is the slope of the line that contains the points (-2,1) and (0,-3)

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?