How many solutions does this system have?

x minus y = negative 4. 3 x + y = 8.

one
two
an infinite number
no solution

Through non-collinear points there is exactly one plane.

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]