Solve the problem.Consider the three points A = (-5, -1), B = (-3, 3), and C = (-1, 2). Find the length of each side of the triangle ABC.
A. 3, 6, 7
B. 
, 
, 
C. 5, 20, 25
D. 
, 2
, 5
Answer: D
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Solve the problem.Martha can rake the leaves in her yard in 2 hours. Her younger brother can do the job in 3 hours. How long will it take them to do the job if they work together?
A. 6 hr
B. 
hr
C. 
hr
D. 3 hr
Solve the problem. Round your answer to the nearest tenth, if necessary.A jet plane traveling at a constant speed goes 1200 mi with the wind, then turns around and travels for 1000 mi against the wind. If the speed of the wind is a constant 50 mph, and the total flight took 4 hours, find the speed of the plane.
A. 550 mph B. 525 mph C. 435 mph D. 605 mph
Solve.A $160 coat is on sale at 45% off. Find the sale price.
A. $72.00 B. $1528.00 C. $7.20 D. $88.00
Write a linear function f that has the indicated values.f(0) = -6, f(5) = 0
A. f(x) = - 
x + 5
B. f(x) = - 
x - 6
C. f(x) = 
x - 6
D. f(x) = 
x + 5