What causes a car to decelerate?
rolling friction
sliding friction
static friction

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"