Represent the sets on a number line.{x|2 ? x < 6}
A. 
B. 
C. 
D. 
Answer: A
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List the like terms of the expression.-9y + 3 - 3 + 5x + y - 5
A. -9y and y are like terms 3, - 3, and - 5 are like terms B. -9y and y are like terms C. -9y, 5x, and y are like terms 3, - 3, and - 5 are like terms D. -9y and y are like terms 3, - 3, 5x, and - 5 are like terms
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Solve the problem.A person at the top of a 600 foot tall building drops a yellow ball. The height of the yellow ball is given by the equation src="https://sciemce.com/media/4/ppg__fgfg0519191728__f1q101g4.jpg" alt="" style="vertical-align: -4.0px;" /> where h is measured in feet and t is the number of seconds since the yellow ball was dropped. Find the time that the balls are the same distance above the ground and find this distance.
A. 4.5 sec; 276 ft
B. 6 sec; 24 ft
C. 5.5 sec; 116 ft
D. 5 sec; 200 ft
where h is measured in feet and t is the number of seconds since the yellow ball was dropped. A second person, in the same building but on a lower floor that is 
from the ground, drops a white ball 
after the yellow ball was dropped. The height of the white ball is given by the equation
Perform the indicated operation and simplify. Write the answer in the form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
- 
i