Which system of equations has exactly one solution?
2x+y=3
5X-Y= 11
2x+2y = 1
–2x-2y = 1
3x+y=-1
Bx+2y=-2
3x-2y=4
-3x+2y=4

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Afunction g(x) has x-intercepts at (, 0) and (6, 0). which could be g(x)? g(x) = 2(x + 1)(x + 6) g(x) = (x – 6)(2x – 1) g(x) = 2(x – 2)(x – 6) g(x) = (x + 6)(x + 2)

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish