Write the first four terms of the sequence.an = 2n - 1
A. 1, 2, 3, 4
B. 3, 5, 7, 9
C. -1, -3, -5, -7
D. 1, 3, 5, 7
Answer: D
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Perform the operation and give the answer in Hindu-Arabic form. src="https://sciemce.com/media/4/ppg__ttt0612191108__f1q179g6.jpg" alt="" style="vertical-align: 0.0px;" height="10" width="5" />
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A. 38
B. 32
C. 22
D. 28
Solve.Find the perimeter of the trapezoid.
A. 
in.
B. x + 4 in.
C. 
in.
D. 
in.
Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.An 8-cylinder sedan gives 18 miles per gallon in city driving and 21 miles per gallon in highway driving. A 300-mile trip required 15.5 gallons of gasoline. How many whole miles were driven in the city?
A. 132 mi B. 168 mi C. 147 mi D. 153 mi
Add.8n6 - 2n4 + 6 and 2n6 + 5n4 - 8
A. 11n10 B. 8n6 + 13n4 - 10 C. 10 + 3n6 - 2n4 D. 10n6 + 3n4 - 2