Question

Need help on question 13 with work and answer Can you guys check if 12 and 14 are also correct plz

Answer 1

13.
so out of the pool houses, how many have a hot tub
21/38=0.552=55% aprox

answer is 55%

12 is correct

14 technically, it 0 and -3, -3 could also be correct if you count the negativer root