Solve the inequality and graph the solution set.
< 3
A. x < - 
or x > 0 ; 
? 
B. - 
< x < 0 ; 
C. x < 7 ; (-?, 7)
D. x < - 
; 
Answer: B
Mathematics
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As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red.The sampling proportion is
A. 37
%.
B. 5%.
C. 
%
D. 
%.
E. none of these
Mathematics
Verify the identity.
- 
= - cos ? cot ?
What will be an ideal response?
Mathematics
Decide whether the problem is an equation or an expression.
- 
+ 5
A. Expression B. Equation
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics