A residential building contractor borrowed $29,000 to complete a new home. Some of the money was borrowed at 4%, some at 6%, and some at 7%. How much was borrowed at each rate if the annual interest owed was $1,580 and the amount borrowed at 6% is two times more than the amount borrowed at 7%?
A. $11,000 at 4%; $12,000 at 6%; $6,000 at 7%
B. $9,000 at 4%; $14,000 at 6%; $6,000 at 7%
C. $9,000 at 4%; $13,000 at 6%; $7,000 at 7%
D. $10,000 at 4%; $10,000 at 6%; $8,000 at 7%
E. $10,000 at 4%; $14,000 at 6%; $7,000 at 7%
Answer: A
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A. 0 B. ? C. 2 D. -?
Provide an appropriate response.Divide: (x2 - 7x - 18) ÷ (x + 2)
Fill in the blank(s) with the appropriate word(s).
Find the probability of the event if a single choice is made from a bag.A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 
B. 
C. 8
D. 
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(-3, 
), (-2, -3), (- 
, 2), (-9, 
)}
A. {(
, -3), (-3, -2), (2, - 
), (
, -9)}
B. Not one-to-one
C. {(
, 3), (-3, 2), (2, 
), (- 
, -9)}
D. {(
, -3), (-3, -2), (2, - 
), (
, -9)}