5:7, 15:21. Hope this helps!!!
A) as the exponent decreases by one, the number is divided by 5
B) as the exponent decreases by one, the number is divided by 4
C) as the exponent decreases by one, the number is divided by 3
D) 4⁰ = 4 ÷ 4 = 1
4⁻¹ = 1 ÷ 4 = 
4⁻² =
÷ 4 = 
E) 3⁰ = 3 ÷ 3 = 1
3⁻¹ = 1 ÷ 3 = 
3⁻² =
÷ 3 = 
Answer:
The answer is x².
Step-by-step explanation:
1) Use product rule: x^a x^b = x^a + b.

2) Simplify 6 - 4 to 2.

<u>Therefor</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>x</u><u>²</u>
It's two. 50% chance of heads, 50% chance of tails.
Answer:<u><em> I think it would have to be c) Sublimation</em></u>