Divide. Simplify the answer.4 ÷ 
A. 
B. 7
C. 
D. 2
Answer: B
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Find the series' radius of convergence.
A. 1 B. 6 C. ?, for all x D. 3
Add or subtract. Simplify by combining like radical terms, if possible.26
- 5
A. 21
B. 31
C. 105
D. 21
Solve the problem.A satellite in a circular orbit 822.8 mi above the earth makes one complete orbit every 85.44 min. What is its linear velocity? Use 3963 mi for the length of the radius of the earth.
A. 60.51 mi/min B. 351.9 mi/min C. 56.01 mi/min D. 408,900 mi/min
Solve. Assume the exercise describes a linear relationship.A vendor has learned that, by pricing hot dogs at $1.75, sales will reach 76 hot dogs per day. Raising the price to $2.50 will cause the sales to fall to 43 hot dogs per day. Let y be the number of hot dogs the vendor sells at x dollars each. Write a linear equation that models the number of hot dogs sold per day when the price is x dollars each.
A. y = - 
x + 
B. y = -44x - 153
C. y = 44x - 1
D. y = -44x + 153