Use algebraic and/or graphical methods to solve the inequality.
< 4
A. -4 < x < 
B. x < -4 or x > 
C. No solution
D. x < 
or x > 4
Answer: B
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Multiply, then simplify the product. Assume that all variables represent positive real numbers.(5 - 5
)2
A. 150 - 50
B. 25 + 25
C. 25 - 25
D. 150 + 50
Factor the trinomial.8y2 + 18y + 9
A. (4y - 3)(2y - 3) B. (8y + 1)(y - 9) C. (8y + 3)(y + 3) D. (4y + 3)(2y + 3)
Write an algebraic equation and use it to solve the problem.Five friends drove at an average rate of 55 miles per hour to a weekend retreat. On the way home, they took the same route but averaged 65 miles per hour. What was the distance between home and the retreat if the round trip took 10 hours?
A. 5
miles
B. 3575 miles
C. 595
miles
D. 297
miles
Complete the table for the radioactive isotope.
Isotope
Half-life(years)
Initial Quantity
Amount after 1000 years
24,100
---- 
A. Initial Quantity: 
B. Initial Quantity: 
C. Initial Quantity: 
D. Initial Quantity: 
E. Initial Quantity: 