Graph the solution set of the system of inequalities or indicate that the system has no solution.
A. 
B. 
C. 
D. 
Answer: A
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Evaluate the algebraic expression for the given value of the variable.
for x = 3
A. - 18 B. - 54 C. 9 D. 18
Factor completely. If the polynomial is prime, state this.25x4 - 11
A. (25x2 + 11)(25x2 - 11) B. (5x2 + 22)(5x2 - 22) C. Prime D. (5x2 + 11)(5x2 - 11)
Two woodworkers, Tom and Carlos, bring in $100 for making a table and $80 for making a chair. On average, Tom must work 3 hours and Carlos 2 hours to make a chair. Tom must work 2 hours and Carlos 6 hours to make a table. If neither wishes to work more than 42 hours per week, find the maximum income. Table Chair Time availableIncome ($) 100 80Tom's time (hr) 2 3 42Carlos's time (hr) 6 2 42
A. $1,560 B. $1,660 C. $1,160 D. $1,060 E. $1,260
Find the distance between the points on a number line.
, - 
A. 
B. 
C. 
D. 