The circumference of a circle is 84.65 cm A student was asked to approximate the area of the circle he incorrectly said the area of the circle is 1,141 cm what is the aproxímate are of circle

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?