Solve.The speed of a stream is 4 mph. If a boat travels 88 miles downstream in the same time that it takes to travel 44 miles upstream, what is the speed of the boat in still water?
A. 15 mph
B. 14 mph
C. 8 mph
D. 12 mph
Answer: D
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Provide an appropriate response. A football team must gain at least 10 yards over a series of 4 plays, or "downs," or else they lose the ball to the opposing team. If a team has a series of downs in which they gain 12 yards, lose 34 yards, gain no yards, and gain 13 yards, did they succeed in keeping the ball?
A. No B. Yes
Provide an appropriate response.Indicate whether the following statement is true or false. Interchanging corresponding rows and columns of a matrix changes the sign of the determinant of the matrix.
A. True B. False
Factor out the greatest common factor from the polynomial. Use a positive coefficient on the GCF.w - z
A. 1(w + z) B. 1(w - z) C. 0(w - z) D. w(1 - z)
Determine whether the graph is the graph of a function.
A. yes B. no