Determine if the given sequence could be an arithmetic sequence.3, -9, 27, -81, 243, . . .
A. Yes
B. No
Answer: B
Mathematics
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A cyclist rides from DeKalb to Rockford, a distance of 80 miles. His return trip takes 2 hours longer because his speed decreases by 20 miles per hour. How fast does he ride each way? ? speed from DeKalb to Rockford: __________ mph ? speed returning: __________ mph
What will be an ideal response?
Mathematics
Solve.Express the perimeter of the rectangle as a fully simplified rational expression.
A. 
in.
B. 16 in.
C. 8 in.
D. 8x in.
Mathematics
Use half-angle formulas to find the exact value for the following: ? tan 105°
What will be an ideal response?
Mathematics
Combine like terms. Write the answer in descending order.8p5 - 3p3 + 4p5 - 7p3
A. 12p5 - 10p3 B. 4p5 - 10p3 C. 24p5 - 20p3 D. 12p5 + 4p3
Mathematics