There are 5 highways from city A to city 2 highways from city to Cand 3 highways from city C city D. many different highway routes are there from city A to city D? Use the fundamental Counting Principle with three or more groups of items

i think it is 70

step-by-step explanation:

mxb67

step-by-step explanation:

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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