6506 or 656 is the answer
Answer:
the answer is 479.
Step-by-step explanation:
to make it simpler, pretend you start from 1. 1,7,so on. multiply six by 79, to get 474. but because you are starting from 5 and not 1, you have to add 5 on.
sorry im super bad at math so this might be wrong
Parallelogram so
CD = AB
18x - 5 = 15x + 4
3x = 9
x = 3
answer
x = 3
