(SAT Prep) In the figure, what is the value of y? A. 20° B. 90° C. 40° D. 30°
2 answers:
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Answer:
Option A
Step-by-step explanation:
Slope of a line passing through two points and
is given by,
Slope =
Line shown in the graph is passing through two points (2, 8000) and (4, 7000).
Therefore, slope of the given line =
= -500 feet per mile
Which means, altitude decreases by 500 ft every mile.
(Negative sign represents the decrease)
Option A is the correct option.