Answer:15
Step-by-step explanation:
Answer: 4 hours
okay so you have to know your times tables 2*4=8 so 20*40=80 then if he paid a tip of 10$ that would equal $90 witch is what he paid.
Answer:
wut
(2^-6)*(2^3)
=2^(-6+3)
=2^-3
=1/(2^3)
=1/8
A
