The radius of front wheel is 21 cm. the arc lenght of the training wheel which is subtended by angle 60° is 6.25 cm. the front wheel of the bike makes 40 complete rotations. find the number of complete rotations made by the training wheel.

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

Which statement about the graph of y = 8(0.25)^2

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3