Divide. Express your answer in standard form.

A.  + i
B. -  - i
C.  - i
D. -  + i


Answer: C

Mathematics

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Find the LCM of the set of numbers.24, 32

A. 96 B. 56 C. 32 D. 768

Mathematics

Find the lengths of the major and minor axes for the ellipse. : 25x² + y² = 25

Mathematics

Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. By using linear regression, the following equation is obtained:  where x is the number of hours spent in the lab and y is grade on the test. Use this equation to predict the grade of a student who spends 8 hours in the lab.   Number of hours spent in lab Grade (percent)   10 96 11 51 16 62  9 58  7 89 15 81 16 46 10 51 

A. 80.6 B. 73.7 C. 69.7 D. 75.3

Mathematics

For the function represented in the graph, determine the domain or range, as requested.Find the range.

A. [-5, 3] B. {2, 3, 4, 5} C. {-5, -3, -1, 1, 3} D. [2, 5]

Mathematics