Answer:
12/5 or 2 2/5
Step-by-step explanation:
3/5+3/5+3/5+3/5
=> (3+3+3+3) / 5
=> 12/5
=> 2 2/5
Hope it helps......
Answer:
45º
Step-by-step explanation:
If the two interior angles are congruent they are the same. All angles add up to 180º, so 180-90=90. 90/2=45, ergo the answer is 45º.
Answer:

Step-by-step explanation:
Given
Represent lifeguarding cars with L
Represent washing cars with W
--- at most
Required
Express the scenario as an inequality
First, we need to determine the number of hours Lauren can work.
This is calculated as follows:

From the question, we understand that the total hours cannot exceed 9 hours.
This can be expressed as 
So, we have:

Substitute L + W for Total Hours

Answer:
5y+4
Step-by-step explanation:
Combine Like Terms:
=−4y+7+9y+−3
=(−4y+9y)+(7+−3)
=5y+4
Answer:hmm
Step-by-step explanation: