A plane with a tail wind makes its 1,440-mile flight in 4 hours. The return flight against the wind takes a half hour longer. What is the wind speed? Round to one decimal place, if required.
?
__________ mph
Fill in the blank(s) with the appropriate word(s).
20
Mathematics
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State whether the linear model shown in the graph is exact or approximate. Then find the equation of the line.
A. Exact; y = X - 2 B. Approximate; y = x - 2 C. Approximate; y = 3x - 2 D. Exact; y = x - 2
Mathematics
Determine the equation of the line described. Put answer in the slope-intercept form, if possible.Through (-3, 1), perpendicular to -3x - 7y = 2
A. y = - 
x - 8
B. y = 
x
C. y = 
x + 8
D. y = 
x + 24
Mathematics
Determine whether the given functions are inverses of each other.f(x) = 
, g(x) = 2x + 3
A. Yes B. No
Mathematics
Find the function value. If it is undefined, say so. sin(-270°)
A. Undefined B. 1 C. 0 D. -1
Mathematics