Answer:
Step-by-step explanation:
The rule with like bases is that when you multiply them you add their exponents.

Therefore, our final simplification is

Answer:
12 weeks.
Step-by-step explanation:
Keiths dog will need to lose 15 pounds to get down to 75 pounds. If he loses 1.25 pounds per week, it will take 12 weeks to get down to 75 pounds. To figure this out, you would use the equation:
90 - 75 = 15
15 / 1.25 = 12
That is how you would get 12 weeks.
Answer:
41, 66
Step-by-step explanation:
16+ 25 = 41
41 + 25 = 66