This is a right triangle. To find the length of the hypotenuse a^2 + b^2 = c^2.
21^2 + 18^2 = c^2
441 + 324 = c^2
765 = c^2
27.66 km
Answer:

Step-by-step explanation:

Add the fractions since the denominators are the same.


Simplifying the fraction.


B.16 because 800 divided by 50 is 16
<span>35 is 35% of $100
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Answer:
b>3
Step-by-step explanation: