Solve the problem.The speed of a stream is 4 mph. If a boat travels 
downstream in the same time that it takes to travel 
upstream, what is the speed of the boat in still water?
A. 14 mph
B. 12 mph
C. 8 mph
D. 15 mph
Answer: B
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Suppose that one leg of a right triangle is 1 foot shorter than the other leg. The hypotenuse is 1 foot longer than the longer leg. Find the lengths of all three sides of the right triangle.
A. 1 feet, 5 feet, 6 feet B. 3 feet, 4 feet, 5 feet C. 5 feet, 6 feet, 7 feet D. 4 feet, 5 feet, 6 feet E. 1 feet, 6 feet, 6 feet
Solve.A person burns 11.3 calories per minute while walking. One must burn about 3500 calories in order to lose 1 lb. How many pounds would the person lose by walking for 3 hours? Round your answer to the nearest hundredth.
A. 0.41 lb B. 0.01 lb C. 5.81 lb D. 0.58 lb
Answer the question.Is 
= 
? Explain your answer.
What will be an ideal response?
Factor completely. State that the polynomial is prime if it cannot be factored.25k2 - 4m2
A. (5k + 2m)2 B. prime C. (5k - 2m)2 D. (5k + 2m)(5k - 2m)