Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.6m2 + 12m + 3 = 0
A. 
? 0.225, 
? -2.225
B. 
? -0.049, 
? -0.285
C. 
? -0.293, 
? -1.707
D. 
? -5.293, 
? -6.707
Answer: C
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Solve the problem.100 employees of a company are asked how they get to work and whether they work full time or part time. The figure below shows the results. If one of the 100 employees is randomly selected, find the probability that the person does not work full time.
1. Public transportation: 10 full time, 7 part time2. Bicycle: 3 full time, 5 part time3. Drive alone: 32 full time, 27 part time4. Carpool: 10 full time, 6 part time
A. 0.55 B. 0.45 C. 0.40 D. 0.27
Solve the problem.The rate at which an assembly line worker's efficiency E (expressed as a percent) changes with respect to time t is given by 
where t is the number of hours since the worker's shift began. Assuming that 
when t = 1, find and expression for E.
A. E = 65t - 4t2 + 25 B. E = 65t - 2t2 + 151 C. E = 65t - 2t2 + 88 D. E = 65t - 2t2 + 25
Write the function as a product of linear and irreducible quadratic factors, all with real coefficients.f(x) = x4 - 9x3 + 34x2 - 144x + 288
A. (x + 3)(x - 6)(x2 + 16) B. (x - 3)(x - 6)(x2 + 16) C. (x - 3)(x - 6)(x2 + 1) D. (x - 3)(x + 6)(x2 + 16)
Find the equation of the line that passes through the two given points. If possible, write your equation in slope-intercept form.(-9, -57) and (7, 39)
A. y = - 
x - 
B. y = -6x - 111
C. y = 
x - 
D. y = 6x - 3