Provide an appropriate response.Express as a simple fraction reduced to lowest terms: 
Fill in the blank(s) with the appropriate word(s).
(a + b/a - b)
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Evaluate 
for the given x and function f.f(x) = 2x2 + 5 for x = 4
A. 21 B. 32 C. 16 D. Does not exist
Provide an appropriate response. Solve the following quadratic using any method, rounding to the nearest hundredth if necessary: x2 + 4x + 13 = 0.
A. x = 2 + 3i, 2 - 3i B. x = -2 + 3i, 2 - 3i C. x = -2 + 3i, -2 - 3i D. x = -2 + 9i, -2 - 9i
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Using the critical-path algorithm to schedule this project with three processors, the project finishing time is
A. 13 hours. B. 12 hours. C. 11 hours. D. 14 hours. E. none of these
Solve.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
-4.0px;" /> at 
Round your answer to the nearest pound of force?
A. 31,869 pounds
B. 32,439 pounds
C. 31,737 pounds
D. 31,901 pounds