Solve the problem.From a balloon 752 feet high, the angle of depression to the ranger headquarters is 47°49'. How far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)?
A. 681 ft
B. 676 ft
C. 671 ft
D. 686 ft
Answer: A
Mathematics
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Solve the problem.Find the sum of the arithmetic progression10 + 11 + 12 + . . . + 100
A. 5050 B. 4914 C. 5014 D. 5005
Mathematics
Find the values of x for which the function is continuous.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the slope and the y-intercept of the line.3x + y + 4 = 0
A. m = -3; b = -4
B. m = 3; b = -4
C. m = - 
; b = - 
D. m = - 
; b = - 
Mathematics
Solve the system of equations using substitution.
A. x = 
, y = 
; x = 1, y = 5
or 
, (1, 5)
B. x = - 
, y = 2; x = 1, y = 5
or 
, (1, 5)
C. x = 
, y = 6; x = - 
, y = 
or 
), 
D. x = 
, y = 
; x = - 
, y = 0
or 
, 
Mathematics