Answer:
2√133
Step-by-step explanation:
a²+b²=c²
8²+12²=c²
c²=208
208+18²=532
√532=23
You could multiply again by 2 or long multiply by 2
(5 + 6)3 would represent what you want.
It would take him 5 weeks. why?
7.89*20= $156 per week
156*5 weeks= $780
