Both have D as the correct answer.
#3 is B. The only even prime number is 2. #4 conclusion
Answer:
Step-by-step explanation:
Total number of balls = 3 + 2 = 5
1)
a)

b)

c)
Probability of at least one black( means BB or BW or WB)

d)
Probability of at most one black ( means WW or WB or BW)

2)
a) Probability both black without replacement

b) Probability of one black and one white

c) Probability of at least one black ( BB or BW or WB)

d) Probability of at most one black ( BW or WW or WB)

Answer:
-114
Step-by-step explanation:
f(x) = -4x^2 +5x
Let x = 6
f(6) = -4(6)^2 +5(6)
= -4(36) +30
- 144+30
= -114