Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 9 miles per hour and the other at 11 miles per hour. In how many hours will they be 40 miles apart?
A. 2 hr
B. 1 hr
C. 4 hr
D. 3 hr
Answer: A
Mathematics
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Write each expression using the LCD as the denominator.
, 
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.x2 + 16xy + 64y2
A. (x + 8y)2 B. (x - 8y)2 C. prime D. (x + 8y)(x - 8y)
Mathematics
Answer the question.In how many ways can you answer the questions on an exam that consists of 6 true-false questions?
A. 0 B. 184 C. 64 D. 144
Mathematics
Show that the following statement is true by transforming the left side into the right side.
?
What will be an ideal response?
Mathematics