Answer:
5 is the answer
Step-by-step explanation:

Calculate 9 to the power of 2 and get 81

Add 44 and 81 to get 125

Calculate 5 to the power of 2 and get 25

Divide 125 by 25 to get 5

Answer:
<h2>
£1,330.46</h2>
Step-by-step explanation:
Using the compound interest formula 
A = amount compounded after n years
P = principal (amount invested)
r = rate (in %)
t = time (in years)
n = time used to compound the money
Given P = £1200., r = 3.5%, t = 3years, n = 1 year(compounded annually)

Value of Charlie's investment after 3 years is £1,330.46
What exactly do you mean? Is there answer's to the problem or more to the problem?
The second angle would be 140⁰. When two angles are supplementary, they add up to 180⁰.
180⁰-40⁰=140⁰