Evaluate the radical expressions or indicate that the root is not a real number.
A. 3
B. -3
C. 15
D. Not a real number
Answer: B
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Subtract.
- 
A. - 
B. 
C. 
D. - 
Find the interval of convergence of the series.
A. 0 < x < 2 B. -1 < x < 3 C. x < 3 D. -3 < x < 3
Solve the problem by solving a system of equations graphically.A rental car costs $60 plus $0.20 per mile. Determine the number of miles that the car is driven if the rental cost is $100.
A. 200 miles B. 160 miles C. 180 miles D. 100 miles
Translate the problem situation to a system of equations. Do not solve.The Cudly College football team scored 86 times last season, some seven-point touchdowns and some three-point field goals. Altogether the 86 scores accounted for 466 points. How many of each type of score was accomplished?
A. x - y = 86; 7x - 3y = 466 B. x + y = 86; 7x + 3y = 466 C. x + 3y = 86; 7x + y = 466 D. x + y = 466; 7x + 3y = 86