Write the expression in standard form.6i + (-9 - i)
A. -9 + 5i
B. 9 - 7i
C. -9 + 7i
D. 9 - 5i
Answer: A
Mathematics
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Graph the ellipse and locate the foci.9x2 + 4y2 = 36
A. foci at (2
, 0) and (-2
, 0)
B. foci at (
, 0) and (-
, 0)
C. foci at (0, 
) and (0, -
)
D. foci at (
, 0) and (-
, 0)
Mathematics
Eleven dimes dated 1989 through 1999 are tossed. Find the probability of the event.Exactly 2 heads
A. 
B. 
C. 
D. 
Mathematics
Find the requested value.Find f(7) forf(x) = 
A. -5 B. -25 C. undefined D. 5
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Find the monthly payment and estimate the remaining balance (to the nearest dollar). Assume interest is on the unpaid balance.30-year car loan for $235,000 at 3.21%; remaining balance after 20 years.
A. $8162.32; $580,759 B. $1017.58; $104,332 C. $1998.34; $656,476 D. $1017.58; $180,049
Mathematics