Use elimination by substitution to find the solution for the following system.
A. x = 36, y = 4
B. x = 9, y = -1
C. x = -4, y = 36
D. x = 36, y = -4
Answer: D
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A. ± 
B. 10 ± 11i
C. 10i ± 11
D. -10 ± 11i
Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 58 mi B. 300 mi C. 38 mi D. 48 mi
Solve the problem.The height, h, in feet, of the path of a ball thrown from an initial height of 64 feet can be approximated by the quadratic formula 
where t is the number of seconds after the ball was thrown. (a) How long does it take for the ball to reach its maximum height? (b) How high will the ball reach?
A. (a) 2
sec
(b) 128 ft
B. (a) 2 sec
(b) 224 ft
C. (a) 
sec
(b) 128 ft
D. (a) 3 sec
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?
?
?
?
A. ?2.898
B. ?2.893
C. ?2.888
D. ?2.843
E. ?2.943