The population of Canada is 3.5×10^7, and the population of the world is 7.0×10^9. How many times larger is the population of the world compared to Canada's population? No links
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One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

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.

Find the arc length of the semicircle. 7the grade