Solve the proportion.
= 
A. 1.5
B. 12
C. 6
D. 130.7
Answer: C
Mathematics
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Perform the indicated operation.
+ 
A. m + 4
B. 
C. m - 6
D. m - 4
Mathematics
Write the expression in standard form.(7 + 3i) - (-9 + i)
A. 16 + 2i B. -2 + 4i C. -16 - 2i D. 16 - 2i
Mathematics
Use the Intermediate Value Theorem to determine whether the polynomial function has a real zero between the given integers.f(x) = -2x4 - 4x3+ 8x + 2; between 1 and 2
A. f(1) = -4 and f(2) = 46; yes B. f(1) = -4 and f(2) = -46; no C. f(1) = 4 and f(2) = 46; no D. f(1) = 4 and f(2) = -46; yes
Mathematics
Use the requested method to approximate the definite integral.Use the method of midpoint Riemann sum with n = 4 to approximate the value of 
A. 54 B. 69 C. 86 D. 62
Mathematics