Simplify.log2 
A. 1
B. 0
C. -1
D. 2
Answer: C
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Solve the problem.Shelly can cut a lawn with a riding mower in 2 hours less time than it takes William to cut the lawn with a push mower. If they can cut the lawn in 5 hours working together find how long to the nearest tenth of an hour it takes for William to cut the lawn alone.
A. 9.1 hours B. 11.1 hours C. 11.2 hours D. 9.2 hours
Graph the integers on a number line.-7, -5, -3, -1 
A. 
B. 
C. 
D. 
Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. 
+ 
= 4
- 2y = 21
A. (6, 8); consistent and independent B. (-6, 8); consistent and independent C. (6, -8); consistent and independent D. (-6, -8); consistent and independent
Solve the problem.In four rounds of a card game, you get scores of -3, -2, -9, and 7. What is your final score?
A. 7 B. 15 C. -7 D. -15