Solve the problem using your calculator.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. Use linear regression to find a linear function that predicts a student's score as a function of the number of hours he or she studied.
A. y = -67.3 + 1.07x
B. y = 33.7 - 2.14x
C. y = 33.7 +2.14x
D. y = 67.3 + 1.07x
Answer: D
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Obtain a slope field and add to its graphs of the solution curves passing through the given points.y' = 
with (0, -1)
What will be an ideal response?
Solve using the elimination method.5x - y = 264x + y = 28
A. (6, 5) B. No solution C. (6, 4) D. (4, 6)
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first five terms of the geometric sequence: 
, 
, 
, . . . .
A. 
B. 31
C. 
D. 
Use a proportion to solve the problem. Round to the nearest tenth as needed.A building casts a shadow 18 m long. At the same time, the shadow cast by a 44-cm tall pole is 95 cm long. Find the height of the building.
A. 37.4 m B. 6.8 m C. 8.3 m D. 38.9 m