Answer:
D
Step-by-step explanation:
This isnt a cartisean coordinate plane so A is wrong. One of our points is at

Because it coincide with real number 3, and negative imaginary number i.
Conjugates are terms with opposite inverse of terms.
So our conjugates is


Multiply 20 by 5 to get 100 so multiply the 3 by 5 also to get 15% of the days.
Answer:
Square root (V) of 150:
5 V6 (5*Square root of 6)
Square Root (V) of 7/2
V14/2 (square root of 14)/2
She should use the spinning wheel because its a 2/12 chance, with a wheel its a 1/6 chance.