Solve the problem.The final grade for an algebra course is determined by grades on the midterm and final exam. The grades for four students and two possible grading systems are modeled by the following matrices.
src="https://sciemce.com/media/4/ppg__10625191827__f1q45g6.jpg" style="vertical-align: -15.0px;" />Find the final course score for Student 3 for both grading System 1 and System 2.
A. System 1: 65.8; System 2: 98.2
B. System 1: 82.4; System 2: 82
C. System 1: 77.2; System 2: 76
D. System 1: 44.2; System 2: 53
Answer: B
Mathematics
src="https://sciemce.com/media/4/ppg__10625191827__f1q45g6.jpg" style="vertical-align: -15.0px;" />Find the final course score for Student 3 for both grading System 1 and System 2.
A. System 1: 65.8; System 2: 98.2
B. System 1: 82.4; System 2: 82
C. System 1: 77.2; System 2: 76
D. System 1: 44.2; System 2: 53
Answer: B
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Solve the problem.Triangle A has sides measuring 5 feet, 12 feet and 13 feet; triangle B has sides measuring 5 feet, 12 feet and 
Which triangles, if any, are right triangles?
A. A B. B C. A and B D. neither triangle
Find the sum.-22 + 6
A. 28 B. -16 C. -28 D. 16
Solve for x:
( x - 4 ) ( 8x - 12 ) = 0
Provide an appropriate response.Let f(x) = 
(a) Does f'(0) exist? (b) Does f'(3) exist? (c) Does f'(-3) exist? (d) Determine all extrema of f.
What will be an ideal response?