Answer:
y 10
Step-by-step explanation:
Answer:
A) 
is the expression to represent total amount of money she earns babysitting for Smith family.
B) 
she will earn for Smith family for 7 hours
C) It would take 
for Margie to make 
when babysitting for the Smith family
Step-by-step explanation:
Given.
Mr. and Mrs. Smith pay Margie 
an hour to babysit their son, Shea.
Mr. and Mrs. Jones pay Margie $8 an hour to babysit their children, Sarah, Susan, and Dawn.
Let x be number of hours.
Solving for Part A.
Amount of Money earn from Smith family = Pay per hour 
Number of hours =
Solving for Part B.
x=7
Margie earns from smith family for 7 hours = 
Solving for part C.
Margie earned = 
To find number of hours
No of hour Margie has done babysitting for Smith family 
- Expand & simplify ⇨
. Give your answer in the form 
where b & c are integers.
Use binomial theorem 
to expand 
.
The square of 
is 10.
Factor 
. Rewrite the square root of the product 
as the product of square roots 
.
Multiply 
and 
to get 2.
Multiply -2 and 2 to get -4.
The square of is 2.
Add 10 and 2 to get 12.
- Here, b & c are integers where
<h2>
Answer:</h2><h2>
The amount of space the mirror will cover on the wall is 48m²</h2>
Step-by-step explanation:
If Gina is getting a new bathroom mirror which is rectangular in nature and measures 6 metres by 8 metres, the amount of space the mirror will cover on the wall will be the area of the rectangular mirror.
Since the mirror is rectangular in nature, we will use the formula for finding the area of a rectangle as shown;
Area of a rectangle = Length * Breadth
Area of the rectangular mirror = 6 * 8
Area of the rectangular mirror = 48m²
The amount of space the mirror will cover on the wall is 48m²
