Whats the answer for number 11?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).