Simplify the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Answer: D
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Simplify the radical. Assume that all variables represent positive numbers.
A. 4 B. 3 C. -2 D. ±2
Solve. A science student watching a group of ants moving along a straight line determines that their position along the line at time t is given by the polynomial 
Factor the polynomial.
A. t(t2 + 3t - 26) B. t(t3 + 3t2 + 26t) C. t(t3 + 3t2 - 13t + 39) D. t(t2 + 3t + 26)
Solve the problem.Rosie can crochet a 5 cm by 49 cm strip in 2 hours. If there is a 1199 cm2 area completed when she starts and she crochets for 5 hours, how much total area will Rosie have finished?
A. 2424 cm2 B. 1444 cm2 C. 612.5 cm2 D. 1811.5 cm2
Solve the problem.An item selling for $620 is marked down 25% for a special promotion. It is later marked down 20% of the sale price. What is the final selling price of the item?
A. $575.00 B. $341.00 C. $775.00 D. $372.00