Answer:
99cm^2
Step-by-step explanation:
When finding an area of a triangle, you multiply base times height and then divide by 2.
In this case,
Height:11
Base: 18
So then apply the formula:

Solve (using a calculator lol)
We get 99
Don't forget units!
So the final answer is 99cm^2
Answer:
1 and 4, 2 and 3, 5 and 8, 6 and 7
Step-by-step explanation:
Any of those would work
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Answer:
13
Step-by-step explanation:
Substitute 3 into c --> 5(3)-2 = 15-2 = 13