Answer: 67
Step-by-step explanation:
3x^2 + 5x + 25
x = 3
3(3)^2 + 5(3) + 25
3^2 = 9
3(9) + 5(3) + 25
3 * 9 = 27
27 + 5(3) + 25
5 * 3 = 15
27 + 15 + 25
27 + 15 = 42
42 + 25 = 67
Answer:
13.375
Step-by-step explanation:
you have to add 28 ± 17 = 45 ± 8.857 = 13.375
Answer:
73.5
Step-by-step explanation:
To find the mean, sum the data and divide by the amount of data
mean = 
=
= 73.5
Answer : B
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1L = 1000cm^3
5.455L x 1000
= 5455 cm^3