Write the phrase as a variable expression. Use x to represent "a number."the difference of Seven and a number
A. 7x
B. x - 7
C. 
D. 7 - x
Answer: D
Mathematics
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Evaluate using any method.
Mathematics
Find the equation of the line passing through the indicated two points. Write the equation in slope-intercept form.(10, -6) and (10, 4)
A. x = 10 B. y = -6 C. y = 10 D. x = -6
Mathematics
Divide, when possible.
A. 11 B. 0 C. 1 D. Undefined
Mathematics
Find the value of the expression without using a calculator.log2(log636)
A. 4
B. 1
C. 2
D. 
Mathematics