Solve the logarithmic equation.log2(x + 7) + log2(x - 7) = 2
A. 53
B. 
C. 2
D. 50
Answer: B
Mathematics
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Convert the units using two or three unit fractions.5
mi = 
ft
A. 14,520 B. 2904 C. 58,080 D. 29,040
Mathematics
Use the vertical line test to determine whether y is a function of x.
A. Yes B. No
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."The quotient of 74 and a number
A. x - 74
B. 74 - x
C. 
D. 
Mathematics
Find the foci of the ellipse.
+ 
= 1
A. (-1, -2), (-1, 6) B. (-1, -1), (-1, 5) C. (-1, -3), (-1, 7) D. (-1, -1), (5, -1)
Mathematics