50 POINTS PLEASE HELP Based on this data, you could expect a skate blade with a radius of hollow of 19 mm to have a stopping distance of 4 1/2 m
5 m
5 1/2 m
6 m​

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x