Answer:
32.5
Step-by-step explanation:
13 times 5 = 165
165/2 =32.5
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You have to get X all by itself so you divide 20 and 30 which gives you a fraction. X= 20/30
Then = 2/3
The answer is 20x^18 which is the last option.
The second one
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Answer:
The area of the 3d figure
Step-by-step explanation:
the area of the one of triangle is 8.7
and the reactangle is 5 x 7 = 35
and the big one is 10 x 7 = 70
so 8.7 + 8.7 + 35 + 35 + 70 = 157.4
