Danielle invests $25,000 in an account that compounds interest continuously and earns 9%. How long will it take for her money to triple? Round to the nearest tenth of a year.

If you answer right ill give brainliest, : )

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis