Fill in the blank with one of the words or phrases listed below.
An equation that describes a known relationship among quantities is called a(n) 
.
A. linear equation in one variable
B. linear inequality in one variable
C. no solution
D. formula
Answer: D
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Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.Richard's team wants to plant 220 trees in 4 months. On average, how many trees per month do they need to plant?
A. Let t = the number of trees per month they need to plant. 220 ? t = 4 On average, they need to plant 65 trees per month. B. Let t = the number of trees per month they need to plant. 220 = 4 ? t On average, they need to plant 55 trees per month. C. Let t = the number of trees per month they need to plant. 220 ? t = 4 On average, they need to plant 59 trees per month. D. Let t = the number of trees per month they need to plant. 220 = 4 ? t On average, they need to plant 110 trees per month.
Solve.a - 7 ? -1
A. a ? -6 B. a ? 8 C. a ? 6 D. a ? -8
Solve the problem.A local civic theater has 22 seats in the first row and 21 rows in all. Each successive row contains 3 additional seats. How many seats are in the civic theater?
A. 1010 seats B. 1092 seats C. 1070 seats D. 790 seats
Identify the graph of the following ellipse.
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A. 
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B.
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C.
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