I 3. Rank the following circles from the largest area to the smallest area
• Circle A has a diameter of 8 cm.
• Circle B has a radius of 5 cm.
• Circle C has an area of 20.7 cm?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

What is the gcf of 20c^3-5c^4+30c^6