Solve the problem using the elimination method.In a right triangle, one acute angle is 54° more than twice the other. Find each acute angle.
A. 12° and 78°
B. 21° and 69°
C. 28° and 62°
D. 37° and 53°
Answer: A
Mathematics
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Solve the problem.A moving firm charges a flat fee of $30 plus $25 per hour. Find the cost C(x) of using the moving firm for x hours.
A. C(x) = 25x - 30 B. C(x) = 30x - 25 C. C(x) = 25x + 30 D. C(x) = 30x + 25
Mathematics
Determine whether the following is a difference of squares.x2 - 4y2
A. No B. Yes
Mathematics
Insert either < or > in the blank between each pair of numbers to make a true statement.-0.37 
-0.38
A. > B. <
Mathematics
Use the following graph to answer the question.
What is the minimum normal February temperature in North Town?
A. 18°F B. -22°F C. -7°F D. -2°F
Mathematics