Hey!
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Answer:
3
Explanation:
Commonly the base of an equation is known as a Dec or 10. Typically in an equation the base is a number between 0 to 9. The only option that is a base is 3!
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UW = UV + VW
substitute:
then find UW:
150 cm²
Step-by-step explanation:
front+back: 2*9*3 = 54 cm²
left+right: 2*3*4 = 24 cm²
top+bottom: 2*9*4 = 72 cm²
sum: 150 cm²