X is less than or equal 18. I hope it helps
Answer: 4/10
Step-by-step explanation:
Answer:

Step-by-step explanation:
Use the square of a binomial theorem
= 
Now expand the given equation:

Hope this helps :)
Have a great day!
Answer:

Step-by-step explanation:
<u>Step 1: Distribute</u>
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Answer: 
Step-by-step explanation:
Pyramid
1/2 * 12 * 15
6 * 15 = 90
90 * 4 = 360cm
Cube
12 * 12 = 144
144 * 4 = 576cm
576 + 360 =
936 cm² of paint