Can't help if I don't know what the question is
Answer:
option b
Step-by-step explanation:




x = -3 (Not possible)
x = 5
So, x = 5
Answer:
1: D. 1/336
Explanation:
10 x 9 x 8 = 720
There are 720 ways for them to come in first, second and third place.
2. Probability = 1/8 x 1/7 x 1/6 = 1/336
The probability is 1/336 or 0.002976.
Answer:A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x² = −1. Because no real number satisfies this equation, i is called an imaginary number.
Step-by-step explanation: