Answer:
<h2>-25b + 101</h2>
Step-by-step explanation:

Answer:
2/5 or 40% of a bottle.
Step-by-step explanation:
A bottle can hold 5 milliliters of perfume. You only have 2 milliliters. Divide 2 with 5:
(2/5)(20/20) = 40/100 = 0.40 = 40%
~
Answer:
56x^2 + 10^-11
Step-by-step explanation:
multiply the 7x and 8x and you get 56x^2
multiply the 10^-6 and 10^5-5 and you get 10^-11
Answer: 1.
Step-by-step explanation: 1^5 is really just 1, 5 times.
1*1*1*1*=1