Add. Do not use a number line except as a check.-5.4 + (-1.9) + 10.3
A. 3
B. -3
C. 6.8
D. -17.6
Answer: A
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Solve the problem.Use Newton's method to find the value of x for which 
Find the answer correct to five decimal places.
A. 0.45081 B. 0.45076 C. 0.45071 D. 0.45065
Solve the problem.The number of mice in an old barn after the cats are removed can be roughly estimated with the following function: 
where y is the number of mice and x is the number of weeks since a cat lived in the barn. Predict the number of mice there will be in ten weeks if you get rid of the cat in the barn.
A. 14 mice B. 16 mice C. 15 mice D. 21 mice
Graph the parabola.f(x) = 3x2 + 2x - 7
A. 
B. 
C. 
D. 
Solve the problem.From the edge of a 1000-foot cliff, the angles of depression to two cars in the valley below are 21° and 28°. How far apart are the cars? Round your answers to the nearest 0.1 ft.
A. 724.4 ft B. 713.4 ft C. 724.5 ft D. 714.4 ft