Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Answer: B
Mathematics
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Which of the following points represents a 90?counter-clockwise rotation of a line with end-points: (1, 2) and (–8, 9)? ?
A. ?(–2, 1) and (–9, –8) B. (–2, –1) and (–9, 8) C. ??(1, –1) and (–8, 8) D. ??(1, –1) and (–9, 9) E. None of the above.
Mathematics
Simplify.
A. 24 B. 8 C. 7 D. Not a real number
Mathematics
Translate the English sentence into an equation using the variables indicated.The length of a rectangle is 5 meters shorter than three times the width. Use l for the length and w for the width of the rectangle.
A. l = 5w - 3 B. l + w = 5 C. l = 3w - 5 D. l = 3w + 5
Mathematics
Write the equation in its equivalent exponential form.log2 8 = 3
A. 32 = 8 B. 23 = 8 C. 28 = 3 D. 83 = 2
Mathematics