Answer:
See below in bold.
Step-by-step explanation:
Mean = 150 cm = 150 * 0.033 feet
= 4.95 feet.
The standard deviation = 10 cm = 10 * 0.033
= 0.33 feet.
Answer:
1/(c - d)
Step-by-step explanation:
Multiply numerator and denominator by cd, then factor the denominator and cancel the common factor. (The result is restricted to c+d ≠ 0.)

27/5 - 10/3
81/15 - 50/15
31/15
2 1/15
Answer:
$11.20
Step-by-step explanation:
14/5 = 2.80
14 - 2.80 = 11.20