Answer:
9
Step-by-step explanation:
substitute the x which is x= 2, so
f(2)= (2+1)^2
=(3)^2
=9
The answer is 340, not super good at math so dont know what scientific notation is but there you go
Answer: 320 boys
Step-by-step explanation: you would first take the total number (720) and divide it by the total number shown in the ratio (5+4=9)
720/9= 80
You would then take 80 and multiply it by 4 because that is the number representing the boys
80*4= 320
<u>Answers </u><u>with </u><u>Method</u><u>:-</u>
1) Multiply the length value by 100,000.


2) For this, divide the length value by 1000.


3) For finding the approximate value, just multiply the value of length by 1.609.


4) Multiply the given mass value by 100.


5) Multiply the given value by 10,000.

