Answer:
x ≈ 14.5
Step-by-step explanation:
A = x²√(25+10√5)/4
A = 1.72a²
x² = A/1.72
= 363.27/1.72
≈ 211
x = √211
≈ 14.5
Answer:
3.9 or less
Step-by-step explanation:
This is because 4 times 7 is equal to 28, so it has to be less than that!
Answer: Hardwood flooring
Step-by-step explanation:
Given
Rohann renovation of Carpentering cost $875 for 
For hardwood flooring
cost $750
So, cost per square meter for different floors are


Thus, the cost of the Hardwood flooring is more expensive.
Answer:
613.6
Step-by-step explanation: