Solve the problem.As Sunee improves her algebra skills, she takes 0.8 times as long to complete each homework assignment as she took to complete the preceeding assignment. If it took her 60 minutes to complete her first assignment, find how long it took her to complete the fifth assignment. Find the total time she took to complete her first five homework assignments. (Round to the nearest minute.)
A. 25 min; 202 min
B. 25 min; 177 min
C. 20 min; 177 min
D. 20 min; 202 min
Answer: A
Mathematics
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A. Square B. Rhombus C. Parallelogram D. Rectangle
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Solve the problem.Note that 
From this, we might conjecture that 12 + 12 + 22 + ... + 
= FN × y where y =
A. FN-1. B. 13. C. FN. D. FN+1. E. none of these
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Find the measure of each angle in the problem.
A. 15° and 30° B. 60° and 120° C. 30° and 60° D. 17° and 34°
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Solve.A boat moves 7 kilometers upstream in the same amount of time it moves 18 kilometers downstream. If the rate of the current is 7 kilometers per hour, find the rate of the boat in still water.
A. 15
km/hr
B. 7 km/hr
C. 4
km/hr
D. 11
km/hr
Mathematics