3. Find the third, fifth and seventeenth terms of the sequence described by each explicit formula,
Part A: f(n) = 8 + 3(n-1)
Part B: f(n) = 7 – 2(n-1)
Part C: f(n) = 3 + n-1/2
Part D: f(n) = -9.2 - 2.5(n-1)

Given the following statements, which is the best

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min