How many solutions does this system of equations have y= -3x + 7 y= -3x - 6 a infinitely many b 2 c 1 d 0

Which one ? is the answer and how to find this answer

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Find the 6th term of the expansion of (2p - 3q)11. a. -7,185,024p4q7 c. -7,185p4q7 b. -7,185,024p6q5 d. -7,185p6q5 select the best answer from the choices provided a b c d