Find the y-intercept.4y = 9x
A. 1
B. 
C. - 
D. 0
Answer: D
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Find the standard equation of a parabola with the given focus or directrix. Assume that the vertex is at the origin.Focus 
A. y2 = - 
x
B. y2 = 
x
C. x2 = - 
y
D. x2 = -44y
Name the decimal by writing it in word form.0.41
A. forty-one-hundredths B. forty-one-tenths C. forty-one-thousandths D. forty-one-ten-thousandths
Determine the power of 10 needed to write the decimal in scientific notation.0.00006491 = 6.49096 × 10n
A. -5 B. -7 C. -4 D. -6
Solve the problem.Five friends drove at an average rate of 60 miles per hour to a weekend retreat. On the way home, they took the same route but averaged 65 miles per hour. What was the distance between home and the retreat if the round trip took 10 hours?
A. 624 mi
B. 7800 mi
C. 312 mi
D. 5
mi