He makes $400 as an investment because 1400*2= 2800
1200*2= 2400
Subtract the two number 2800-2400= 400
Answer:
the answer is 20
Step-by-step explanation:
i just know it
That’s the answer for you’re question
P ( A ) = 0.45 - probability that the land has oil,
P ( B ) = 0.8 - probability that the test predicts it
P ( A ∩ B ) = P ( A ) · P ( B ) = 0.45 · 0.8 = 0.36
Answer: The probability that the land has oil and the test predicts it is 36 %.
The answer is B. A reflection across the x-axis.