Answer:
C)
Step-by-step explanation:
Given:
Number of freshmen = 3
Number of sophomores =3
Number of juniors =3
Number of seniors = 3
The team's captain is randomly selected from any grade level.
To find the the probability that a freshman will not be selected as captain.
Solution:
Total number of members in the team =
= 12
Probability that a freshman will be selected as captain will be:
⇒ 
⇒ 
Reducing to simple fraction by dividing numerator and denominator by 3.
⇒ 
⇒ 
Thus, probability that a freshman will not be selected as captain will be given as:
⇒ 
Taking LCD.
⇒ 
Subtracting the numerators.
⇒
(Answer)
Y=4x-12 hope this helps :)
Answer:
The surface area is 125.66 
Hope this helps!
(-x²-2x+6)+(-9x²-7x+6) = -x²-2x+6-9x²-7x+6 = -10x² - 9x + 12
Ratio is 8:7
add them: 15
divide: 195/15= 13
8 times 13 and 7 times 13
104 91