Solve the equation.x - 7 = 
A. {4}
B. {7}
C. ?
D. {14}
Answer: D
Mathematics
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Evaluate the expression using the order of operations.5 ? 10 - 10 ? 10
A. 500 B. 950 C. 50 D. -50
Mathematics
Write the standard equation for the circle.Center at (-9, -8), radius 3
A. (x - 8)2 + (y - 9)2 = 3 B. (x + 9)2 + (y + 8)2 = 9 C. (x - 9)2 + (y - 8)2 = 9 D. (x + 8)2 + (y + 9)2 = 3
Mathematics
Multiply.(142)(0.01)
A. 14,200 B. 1420 C. 1.42 D. 14.2
Mathematics
According to the 2000 U.S. Census, Philadelphia, Pennsylvania, has a population of 1,517,550, of whom 812,443 are male. If 500 citizens of Philadelphia are selected at random, what is the probability that at least 250 of them will be male? (U.S. Bureau of the Census.)
What will be an ideal response?
Mathematics