Answer:
x +4
Step-by-step explanation:
3x-4+2x+8
Combine like terms
3x+2x -4+8
x +4
Answer:
a. 9.5
b. 32
c. 68
d. 15
Step-by-step explanation:
$24
40 times 40% gets you 16.
Subtract 16 from 40 to get 24 which is your answer.
Answer:
-45
Step-by-step explanation:
9x5=45, and since there is a negative, you put it before 45.
Hope I helped!
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Mean = np = 60(0.7) = 42
Standard deviation = sqrt(npq) = sqrt(60(0.7)(0.3)) = 3.55
