In the following sequence of regular pentagons, each toothpick represents one unit. Determine the perimeter if we arrange n such regular pentagons in a row.
3n + 2 units
Mathematics
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List all the elements of B that belong to the given set.B = {2, 
, -21, 0, 
, 
, 0.17}Irrational numbers
A. 
B. 
C. 
D. 
Mathematics
6. The height of an outdoor basketball backboard is
feet, and the backboard casts a shadow
feet long.
Find the angle of elevation of the sun. Round your answer to one decimal place.
Mathematics
Subtract.(x3 - 3x2 + 22x) - (6x2 - 4x + 10)
A. x3 - 9x2 + 26x - 10 B. x3 - 9x2 + 18x - 10 C. x3 + 9x2 - 18x - 10 D. x3 - 9x2 + 18x + 10
Mathematics
Find an equation of the line that fits the description.Passes through (-10, -5) and has zero slope
A. x = -10 B. y = -10 C. y = -5 D. x = -5
Mathematics