Find the LCM of 3, 4, and 15.
?
A. 180
B. 300
C. 60
D. 240
Answer: C
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Write the expression in standard form.
A. - 
+ 
i
B. 
- 
i
C. - 
- 
i
D. 
- 
i
Write the word statement as an equation. Use x to represent the unknown number. Do not solve.Four times the sum of a number and 31 decreased by 9 is the same as the difference of six times the number and 15.
A. (4x + 31) - 9 = 6x - 15 B. (4x + 31) - 9 = 15 - 6x C. 4(x + 31) - 9 = 6(x - 15) D. 4(x + 31) - 9 = 6x - 15
Solve the problem.The distance an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 144 feet in 3 seconds, how far will it fall in 5 seconds?
A. 450 ft B. 350 ft C. 400 ft D. 80 ft
Solve the problem.Draw a tree diagram for the experiment of tossing a coin once then spinning the spinner once. 
A. 
B. 
C. 
D. 