Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: B
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A line segment containing the center and with endpoints on a circle is called a____________.
Fill in the blank(s) with the appropriate word(s).
Suppose that the average adult in the United States will work x number of days (rounded to the nearest day) to earn enough to pay for all of the household's leisure activities in that year. This number can be calculated by multiplying the average percent of household income spent on leisure activities by 365 (the number of days in a year). The bar graph shows the percent of income spent in various countries of the world. Use the graph to answer the question.
How many days each year will the average adult have to work in order to pay for leisure activities in China? Round to the nearest day.
A. 24 days B. 2373 days C. 341 days D. 65 days
Approximate 
using a Reimann sum with n = 4 .
What will be an ideal response?
Solve.When making a telephone call using a calling card, a call lasting 6 minutes cost $0.95. A call lasting 16 minutes cost $1.95. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that relates the cost of a making a call, y, to the time x.
A. y = 0.1x - 14.05
B. y = 10x - 
C. y = 0.1x + 0.35
D. y = -0.1x + 1.55