Which equation is most likely used to determine the acceleration from a velocity vs. time graph? A) a=t/∆v
B) m=(V2-V1)/(X2-X1)
C) a=∆v/t
D) m=(X2-X1)/(Y2-Y1)

What is the solution of the systems of equations? y=2/3x+3 x=-2

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

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.