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# Algebra Problems

### Algebra Problems for Review

Which of the following are Counting Numbers? -9.7 -4 0 3/5 √7 3 π 356 3 356
Which of the following are Negative Integers? -9.7 -4 0 3/5 √7 3 π 356 -4
Which of the following are Irrational Numbers? -9.7 -4 0 3/5 √7 3 π 356 √7 π
Identify the Independent and Dependent variables. Let n be the number of hours a student studies for a quiz, and let s be the student's score on the quiz. Independent - n Dependent - s
Identify the Independent and Dependent variables. Let h be the height (in inches) of a girl, and let a be the age (in years) of the girl. Independent - a Dependent - h
Describe what the given ordered pair represents. Let n be the average number of magazine subscriptions sold per week by a telemarketer who works t hours per week. What does the ordered pair (32,43) mean in this situation? A telemarketer who works 32 hours per week will sell an average of 43 magazine subscriptions per week.
Describe what the given ordered pair represents. Let p be the percentage of Americans at age a years who say they volunteer. What does the ordered pair (21,38) mean in this situation? 38% of Americans at age 21 years say that they volunteer.
Evaluate the expression for x =6. x+ 2 8
Evaluate the expression for x =6. 7x 42
If a person buys n albums, the total cost is 9n dollars. Evaluate 9n for n=4. What does your result mean in this situation?
Created by: slucas302a