Solve the problem.A science experiment requires 493 milliliters of substance X and 14.5 milliliters of substance Y. Find the unit ratio of substance X to substance Y. What does your result mean in this situation?
A. 
; For every ml of substance Y used, 34 ml of substance X must be used.
B. 
; For every ml of substance Y used, 34.5 ml of substance X must be used.
C. 
; For every ml of substance X used, 34 ml of substance Y must be used.
D. 
; For every ml of substance X used, 33.5 ml of substance Y must be used.
Answer: A
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Solve the problem.Find equations for the horizontal and vertical tangent lines to the curve 
A. Horizontal: 
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at 
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at 
; vertical: 
at 
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at 
B. Horizontal: 
at 
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at 
, 
at 
; vertical: 
at 
, 
at 
, 
at 
C. Horizontal: 
at 
, 
at 
; vertical: 
at 
, 
at 
D. Horizontal:
at 
, 
at 
, 
at 
; vertical: 
at 
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at 
, 
at 
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 3
B. 
; 3
C. 
; 3
D. 
; 3
The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question. 
How much money in total is allotted each month for food and transportation?
A. $650 B. $1000 C. $900 D. $950
Determine whether the given point is in the solution set to the given system.(5, -2)2x + y = 124x + 2y = 24
A. Yes B. No