Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion.
B. I is not a proportion, II is a proportion.
C. I and II are both proportions.
D. Neither I nor II are proportions.
Answer: D
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Use the given conditions to write an equation for the line in slope-intercept form.Passing through (5, 3) and perpendicular to 
A. y = 
x - 
B. y = - 
x + 
C. y = - 6x - 23
D. y = - 
x - 
Find the slope of the line tangent tangent to the graph a the given point. y = 6x - 2, x = -3
A. m = 6 B. m = -6 C. m = 18 D. m = -18
Solve the quadratic equation using the quadratic formula.10 = 4x - x2
A. {-2 - i
, -2 + i
}
B. {2 - i
, 2 + i
}
C. {2 - i
, 2 + i
}
D. {-2 - i
, 2 + i
}
You had a credit card balance of $288 before you used the card to purchase books for $198, CDs for $34, and a pair of shoes for $110. You then made a payment to the credit card company of $480 . Find your new credit card balance.
A) $349 B) $150 C) $149 D) $240 E) $139