two similar cones have matching height and radii whose lengths are in the ratio 5:4.find the ratio of their surface areas ​

The parabola opens: y=√x-4 (principal square root) up down right left

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

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.