The area of the rectangle is 47 1/2
Answer:
7-21
Step-by-step explanation:
if -a+b
is thesame according to laws of integers as
b-a
Answer:
(a) Rule: Multiply the input (x) by 2 and add 5 to the result of the product
(b) 
Step-by-step explanation:
Given
The attached table
Solving (a): The rule of the table in words
First, we calculate the slope (m)

Using:


So, we have:



The equation is calculated using:

Using:

We have:


Make y the subject


Hence, the rule is:
Multiply the input (x) by 2 and add 5 to the result of the product
(b): The rule, in algebra
As solved in (a), the rule is:

Answer:
450 millilitres
Step-by-step explanation:
1)
of the water is gone, so you need to divide 900 by 2 to see how much is left
900÷2 = 450
Three hundred and twenty seven point seven nine