Factor out the greatest common factor.24m9 - 64m5 - 72m2
A. 8m2 (3m7 - 8m3 - 9)
B. 8(3m9 - 8m5 - 9m2)
C. m2(24m7 - 64m3 - 72)
D. No common factor (except 1)
Answer: A
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Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. closed infinite interval; {x|x ? 2}; (-?, 2] B. open infinite interval; {x|x > 2}; (2, ?) C. closed infinite interval; {x|x ? 2}; [2, ?) D. open infinite interval; {x|x < 2}; (-?, 2)
Graph the equation.x2 = -5y
A. 
B. 
C. 
D. 
Solve the problem by writing and solving a suitable system of equations.A flight leaves San Francisco at src="https://sciemce.com/media/4/ppg__rrrrr0625191014__f1q15g5.jpg" alt="" style="vertical-align: -4.0px;" /> (San Francisco time). This
and arrives in London at 
(London time). This 
difference includes the flight time plus the change in time zones. The return flight leaves London at 
and arrives in San Francisco at 
difference includes the flight time minus the change in time zones, plus an extra hour due to the fact that the return flight westward is into the wind. Find the actual flight time eastward and the difference in time zones.
A. flight time eastward: 10 hours; difference in time zones: 8 hours
B. flight time eastward: 9 hours; difference in time zones: 9 hours
C. flight time eastward: 9 hours; difference in time zones: 8 hours
D. flight time eastward: 11 hours; difference in time zones: 7 hours
Solve the problem.A twin-engined aircraft can fly 912 miles from city A to city B in 4 hours with the wind and make the return trip in 6 hours against the wind. What is the speed of the wind?
A. 76 mph B. 19 mph C. 57 mph D. 38 mph