Find the sum.Find the sum of the first 60 terms of the arithmetic sequence: 16, 9, 2, -5, . . .
A. -404
B. -11,640
C. -11,423
D. -11,430
Answer: D
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Solve.The cost in dollars for producing x units of a particular commodity is given by the function 
The number of units produced is given by the function 
Determine a function h that gives the average cost per item for producing x units.
A. h(x) = 
B. h(x) = 52.23x2 + 359x
C. h(x) = 52.23x + 359
D. h(x) = 
Find the ordered pair for the vertex.y = 2x2 - 12x + 14
A. (-3, 4) B. (-4, 3) C. (4, -3) D. (3, -4)
Write the expression with positive exponents. Then simplify if possible.
A. 
B. -81
C. 81
D. - 
In Mrs. Kay's math class, there are 150 points on the final exam and 520 total points for the course. Just prior to the final exam, several students are thinking about their grade. A student has earned 91, 84, and 88 points on tests and only 5 points on projects and homework. Is it possible for the student to earn a B or better (80%)?
A) no B) yes