<span>(5a^2-4)*(25a^4+20a^2+16) is your answer</span>
Answer:

Step-by-step explanation:
Weight from before + Weight gained

Convert to improper fractions.

Find the common denominator.

Add.

Convert to a mixed fraction.

Answer:
45$
Step-by-step explanation:
100% is the exact same as last moth. 150% is last moths plus half therefor 30/2 is 15. 15 + 30 = 45
Answer:
$40.25
Step-by-step explanation:
35 increase 15% =
35 × (1 + 15%) = 35 × (1 + 0.15) = 40.25