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 a graphing calculator to model the data with 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: A
Mathematics
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Completely factor the polynomial or state that the polynomial is prime.(x + 10)2 - 16
A. (x + 14)(x + 6) B. (x - 6)(x - 14) C. (x + 26)(x - 6) D. x2 + 20x + 84
Mathematics
Classify the triangle as equilateral, isosceles, or scalene. Then classify it as right, obtuse, or acute.
A. Scalene; obtuse B. Equilateral; acute C. Isosceles; obtuse D. Equilateral; obtuse
Mathematics
Add and simplify. 
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Julie and Eric row their boat (at a constant speed) 16 miles downstream for 2 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 8 hours. Find the rate of the current.
A. 5 mph B. 2.5 mph C. 4 mph D. 3 mph
Mathematics