Solve.
= 
A. 43
B. 
C. 
D. 5
Answer: D
Mathematics
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Solve the problem.The function t(x) = -1.29x2 + 8.80x + 42.69 represents the temperature in Riversbend, IL from 11 P.M. on March 6, 2008 until 7 A.M. on March 7, 2008, where x is the number of hours after midnight on March 6, 2008. Use the function to estimate the temperature in Riversbend at 3 A.M. on March 7, 2008. Round your answer to the nearest degree.
A. 5° B. 57° C. 68° D. 55°
Mathematics
Write the equation in slope-intercept form.3x - 6y = 8
A. y = 2x + 
B. y = 3x - 8
C. y = 
x - 
D. y = 
x + 
Mathematics
Find the zeros of f(x), given that one zero is k.f(x) = x3 - 10x2 + 37x - 52
k = 4
A. 4, 3 ± 2i
B. 4, 3 ± i
C. 4, -3 ± 2i
D. 4, 3 ± 
i
Mathematics
Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = IR(Ir - E)
D. n = 
Mathematics