A) dilate aabc from c using a scale factor of 2
dc2(aabc)
b) dilate adef from d using a scale factor of 3
d2,3(adef)

i have no idea how to do this!

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29