Thank you for posting your question here at brainly. Please see below answer:
a) What percentage of city bus routes are less than 15 mi?
56.20820167 ≈ 56.2%
b)What percentage of city bus routes are greater than 20 mi?
4.282995170 ≈ 4.3 %
c) What percentage of city bus routes are less than 10 mi?
<span>7.98 ≈ 7.98 %</span>
The commutative property of multiplication is ab=ba
so
9(x+5)=(x+5)9
(note, some people on this site like to write x2 for x² but that's not how you math correctly., (x+5)9 doesn't mean (x+5)⁹, it means (x+5) times 9)