Answer:
The answer is 55.
Step-by-step explanation:
hope this helps
2³×(15-9)+7
=8(15-9)+7
=120-72+7
=48+7
=55
Answer:85.5
Step-by-step explanation:
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Expression simplified: 
Step-by-step explanation:
The expression that we have in this problem is:

The first type of operation that we have to solve in such expression are multiplication/division.
In this expression, there is only one multiplication, that is:

So we can rewrite the expression as

Now we can evaluate the sum of the similar terms: in this case, similar terms are only 3 and 4, and their sum is

Therefore, the expression can be rewritten as

Learn more about simplifying expressions:
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Consider a trapezoid GJKF with:
GH=JH (hypothesis)
FL=KL (hypothesis)
so HL is the median of trapezoid GJKF
so: HL=1/2(2.5+1.2)=1.85