Answer:
Step-by-step explanation:
I assume you are talking about square roots when you say root...
Sqrt(-9) = 3i
Sqrt(-12) = 2Sqrt(3)i
Complex number is 3 + 2Sqrt(3) i
Answer:
92
because the formula for the triangle is 1/2×b×h
and the formula for the rectangle nos l×w and then add those.
Answer:
15
Step-by-step explanation:
Since range is the difference between the highest valued character and the smallest
20-5=15
Answer:
38
Step-by-step explanation:
7, 16, 8, 27, 9
7 + 9 = 16
16 - 8 = 8
8 + 19 = 27
27 - 18 = 9
9 + 29 = 38
