Answer:
15
Step-by-step explanation:
We assume your "natural numbers" are <em>positive integers</em>. (Some authors also include zero.)
n(B) = 5
n(U) = 20
n(B') = 20 -5 = 15
Answer:
8. B. obtuse, isosceles
9. B. 43 degrees
10. A. 14 degrees
Step-by-step explanation:
8. The triangle has two equal sides and its angles are above 90 degrees.
9. All triangle angles add up to 180 degrees
10. Same as above.
Answer:
the answer c 8 ounces
Step-by-step explanation:
Two times opening parentheses x plus eight closing parentheses
10 to the exponent 2 is equal to 100, so 8.7 x 100 is equal to 870