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

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.