The following table shows the enrollment, in thousands, at a university ?t years after 1990.
05101520
1724273134?
A. Calculate the average rate of change in enrollment from 2000 to 2005.B. Explain in practical terms the meaning of the number you calculated in part A.C. Use your answer from part A to estimate the enrollment in 2001.
What will be an ideal response?
A. 0.80 thousand students per year?B. From 2000 to 2005 enrollment increased on average by 0.80 thousand students each year.?C. 27.8 thousand students
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Write as an addition problem and find the sum.Susan lost 9 pounds the first week, gained 6 pounds the second week, and lost 7 pounds the third week. What was her net gain or loss?
A. 9 + (-6) + 7 = -22 pounds B. 9 + (-6) + 7 = 22 pounds C. -9 + 6 + (-7) = 10 pounds D. -9 + 6 + (-7) = -10 pounds
Evaluate. Simplify if possible.- 
+ 
A. 
B. 
C. - 
D. - 
Approximate the value using a calculator. Express answer rounded to three decimal places.2.72.43
A. 14.611 B. 6.561 C. 10.994 D. 11.174
Solve the system of equations.
A. x = 2 - 5z, and y = 3z - 1, where z is any real number
or {(x, y, z) |x = 2 - 5z, and y = 3z - 1, where z is any real number}
B. x = 2 + 7z, and y = -3z - 1, where z is any real number
or {(x, y, z) |x = 2 + 7z, and y = -3z - 1, where z is any real number}
C. x = 1 - 5z, and y = 3z - 
, where z is any real number
or 
D. x = -2 - 7z, and y = -3z -1, where z is any real number
or {(x, y, z) |x = -2 - 7z, and y = -3z -1, where z is any real number}