Perform the indicated operations and simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
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Write a system of inequalities that describes the possible solutions to the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. The company can produce up to 140 rings each day, using up to 350 total man-hours of labor. It takes 5 man-hours to make one VIP ring and 7 man-hours to make one SST ring. Let x represent the number of VIP rings, and let y represent the number of SST rings. Including the system inequalities 
and 
, find the remaining inequalities that best describe this company's ring production.
A. x + y ? 140, 7x + 5y ? 350 B. x + y ? 140, 5x + 7y ? 350 C. x ? 140, y ? 140, 7x + 5y ? 350 D. x ? 140, y ? 140, 5x + 7y ? 350
Tell what possible misuses or misinterpretations may exist for the following statement.More adults than teenagers are involved in automobile accidents each year. Therefore, teenagers are better drivers than adults.
What will be an ideal response?
Translate the question into an equation. Do not solve.What number is 90% of 19?
A. x ? 90 = 19 B. x = 90 ? 19 C. x ? 90% = 19 D. x = 90% ? 19
Find the least common multiple (LCM) of the given expressions.56, 96
A. 224 B. 1344 C. 168 D. 672