Solve the proportion.
= 
A. 21
B. 
C. 35
D. 
Answer: D
Mathematics
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Find the intervals on which the function is continuous.y = 
A. discontinuous only when x = -4 B. discontinuous only when x = 16 C. discontinuous only when x = -4 or x = 4 D. discontinuous only when x = -16 or x = 16
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.-2(4x + 4) < -10x - 14
A. (-?, -3]
B. (-3, ?)
C. (-?, 11]
D. (-?, -3)
Mathematics
Factor by grouping.uv - 7u + 5v - 35
A. (u - 5)(v + 7) B. 5u(v - 7) C. (u - 5)(v - 7) D. (u + 5)(v - 7)
Mathematics
Solve the problem.The temperature at 5:00 was -7° C. Four hours later, it was -10° C. What was the change in temperature?
A. 17° C B. -3° C C. 3° C D. -17° C
Mathematics