Simplify the expression using the order of operations.
? -8 ÷ (-4)
A. -320
B. -20
C. 20
D. 320
Answer: C
Mathematics
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Solve the problem.Find the slope of a line tangent to the curve of 
where 
A. 0.043 B. 1.658 C. 0.753 D. 0.377
Mathematics
Factor. Check by multiplying.21x + 6y - 15
A. 27(x + y) - 15 B. 3(7x + 6y - 5) C. 3(7x + 2y - 5) D. 3(7x + 6y - 15)
Mathematics
Find the intersection of the given intervals.(-10, 0) ? [-2, 10]
A. (0, 10] B. (-10, -2] C. (-10, 10] D. [-2, 0)
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.6c - 5 ? 5c + 4
A. (6, ?)
B. (-?, 9]
C. [9, ?)
D. (-?, 6)
Mathematics