Provide an appropriate response.Explain what is wrong with the following solution for the equation 
in the interval 
cos 2? = 1 cos ? = 
? = 
or ? = 
What will be an ideal response?
Answers will vary. 
so the first equation cannot be divided by 2.
Mathematics
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Find the area.Find the area of the region bounded by the curve y = 6x-2, the x-axis, and on the left by x = 1.
A. 3 B. 36 C. 6 D. 12
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Factor.3x3 + 9x2 - 30x
A. (x - 2)(3x2 + 15) B. 3x(x + 2)(x - 5) C. 3x(x - 2)(x + 5) D. (3x2 + 6x)(x - 5)
Mathematics
Divide and express the result in standard form.
A. 
- 
i
B. - 
+ 
i
C. - 
+ 
i
D. 
+ 
i
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Solve the problem.The following test scores were recorded for a student: 87, 79, 75, 75, 87, 89. Find the mean, median, and mode.
A.
| mean: 82 | median: 75 | mode: 89 |
B.
| mean: 83 | median: 83 | mode: 75 |
C.
| mean: 83 | median: 82 | mode: 87 |
D.
| mean: 82 | median: 83 | mode: 75 and 87 |
Mathematics