Solve.A plane flies 410 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 30 mph, what is the speed of the plane in still air?
A. 385 mph
B. 380 mph
C. 370 mph
D. 405 mph
Answer: B
Mathematics
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Find the range for the given data set.7, 19, 7, 19, 7, 19, 7, 19
A. 19 B. 12 C. 13 D. 26
Mathematics
Solve the problem.Frank can type a report in 4 hours. James takes 8 hours to type it. How long will it take the two of them typing together?
A. 8 hr
B. 
hr
C. 
hr
D. 
hr
Mathematics
(a) Find the quotient q and remainder r for f = 
and write f in the form f = q + 
. (b) Then state the end behavior model for f. f(x) = 
A. (a) f(x) = x2 - 8x + 31 + 
(b) q(x) = x2 - 8x + 31
B. (a) f(x) = x2 - 8x + 31 + 
(b) q(x) = x2 - 8x + 31
C. (a) f(x) = x2 + x - 5 + 
(b) q(x) = x2 + x - 5
D. (a) f(x) = x2 + x - 5 + 
(b) q(x) = x2 + x - 5
Mathematics
Write the percent statement as an expression.
A) 0.425x
B) 0.315x
C) 0.325x
D) 0.125x
E) 0.265x
Mathematics