15. Refer to the Random Digit Table to select two-digit random number
to represent a sample of size 10.
Record the random numbers in the chart.
• Locate the appropriate rectangle on the sheet to determine how
many books were read by each of these students.
. Calculate the sample mean.
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you can't solve x because it is 2 linear equation and you only have one equation

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2

38.6°

step-by-step explanation:

resultant is 10 pound

smaller force = 8 pound

angle formed = tan⁻¹(

                        =tan⁻¹(

                          =tan⁻¹(0.8)

                        =38.6°