The prime factorization of 640 can be written as 27 × 51 where 2, 5 are prime.
The answer is c I took the test
First you find the area of the rectangle by multiplying 48 by 40 = 1920
Then find the area of the triangle by multiplying 16 by 48 then divide by 2 = 384
Finally add the two together to get your answer 1920 + 384 = 2304
C 2304 units squared
