Simplify the radical expression by factoring out the largest perfect nth power. 
A. 7
B. 49
C. 7
D. 15
Answer: A
Mathematics
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Solve.Linda and Dave leave simultaneously from the same starting point biking in opposite directions. Linda bikes at 6 miles per hour and Dave bikes at 9 miles per hour. How long will it be until they are 30 miles apart from each other?
A. 
hr
B. 2 hr
C. 10 hr
D. 
hr
Mathematics
Graph the parabola and its vertex, focus, and directrix.y2 = -8x
A. 
B. 
C. 
D. 
Mathematics
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
What temperature was recorded at 1 p.m.?
A. 77 ° F B. 79 ° F C. 80 ° F D. 81 ° F
Mathematics