Use a proportion to solve the problem.The ratio of the lengths of strings that play the notes D and A is 3 to 2. If a string 84 centimeters long plays a D, what is the length of the string that plays an A?
A. 87 centimeters
B. 56 centimeters
C. 126 centimeters
D. 86 centimeters
Answer: B
Mathematics
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Sketch the graph of the function.
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?
A. ?
B. ?
C. ?
D. ?
E. ?
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Find the product.7(-3b4)
A. -21b4 B. -21 + b4 C. 7 - 3b4 D. -10b4
Mathematics
Solve.
+ 
= - 
A. 15 B. -16 C. -15 D. No solution
Mathematics
Find the ordered pair for the vertex.y = 2x2 - 12x + 14
A. (-3, 4) B. (-4, 3) C. (4, -3) D. (3, -4)
Mathematics