Complete the factoring.-28z8 = -7z6( )
A. 196z
B. -4z2
C. 4z6
D. 4z2
Answer: D
Mathematics
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Evaluate.cos(sin-1 0.3746)
A. 0.9272 B. 1.0785 C. -2.4751 D. 0.3746
Mathematics
Use the following information to classify the triangle.
A. equilateral B. isosceles C. scalene
Mathematics
Find the vertices and graph the hyperbola.12y2 - x2 = 36
A. (-
, 0), (
, 0)
B. (0, -
), (0, 
)
C. (-3, 0), (3, 0)
D. (0, -3), (0, 3)
Mathematics
Solve the problem.The weekly sales in thousands of items of a product has a seasonal sales record approximated by 
(t is time in weeks with 
referring to the first week in the year). During which week(s) will the sales equal 79,020 items?
A. week 4 and week 47 B. week 30 and week 47 C. week 21 and week 30 D. week 4, week 20, and week 52
Mathematics