Which systems of equations have no solutions? (Check all that apply.) A. x – y = 1, –3x + 3y = 3
B. 2y = 3 – 4x, x + y = 0
C. 12x + 2 = 4y – 10, 2x + y = –11
D. –3x – y = 5, 15x = 10 – 5y
E. x + y = 1, –4x + 2y = 7

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29