Represent each given condition using a single variable, x.The length and width of a rectangle whose width is four times its length.
A. width = x; length = x + 4
B. width = x; length = 4x
C. length = x; width = 4x
D. length = x; width = x + 4
Answer: C
Mathematics
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A. {1,2,3,4,5,6,8} B. { } C. {2,4} D. {1,2,3,4,5,6,7,8}
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Write the improper fraction as a mixed number.
A. 62
B. 62
C. 6
D. 
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Determine whether the function is one-to-one.The function that pairs students' ID numbers with their GPAs.
A. Yes B. No
Mathematics
Use a calculator to find the approximate value of the expression rounded to two decimal places.cos 5°
A. 0.28 B. 1.00 C. -0.28 D. -1.00
Mathematics