9(2) + 2(y) = 50. solve for y. 32=2y, y=16. It is 16 meters long.
She should use a computer to select 30 students at random then ask which ones play chess. The other options could produce more skewed results.
Answer:
![2,25[-3 + x]](https://tex.z-dn.net/?f=2%2C25%5B-3%20%2B%20x%5D)
Step-by-step explanation:
The Greatest Common Divisor [GCD] is 2,25; you factor that out, leaving the remaining result inside the brackets.
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