Answer: 640
Step-by-step explanation:
The scale factor is 20/5=4, so the ratio of the areas is the square of this, or 16.
Thus, the area of ABCD is 40(16)=640.
-13.5914091423 is what I got from a calculator.
The probability is 2/9 because there are 9 marbles and 2 marbles were pulled out. hope I helped XD
-3 + -3 = 0
-5 + 1 = -4
vector = < 0,-4 >