Answer:
C.) P(5, H) = 1/12
Step-by-step explanation:
40.25 is 40 1/4 as a decimal
Ninety-five hundreths is equivalent to

.
The numerator and denominator have a basic factor of 5, so we can divide the numerator and denominator by 5.
You're pretty close. It's all in the details.
A. Correct.
B. Correct.
C. Sign error in the boxed answer. -(-0.5) = 0.5
The graph shows c ≈ 1.855. If a is more than that and decreasing, area is increasing. The sign of dA/dt will be positive. (Compare to D)
D. Units are not shown. Numerical value is correct.
Answer:
Mean: 87 Median:85 Mode:80