Find the population density for an area that is 0.7 square miles and has a population of 31160the population density is what people / square mile

Danny has a 15-foot board that he wants to use as a motorcycle ramp. If Danny wants the end of the ramp to be 4 feet off the ground, what angle will be formed between the board and the ground? Round the answer to the nearest whole degree.

How many different combinations of 3 numbers for a 4 number code artemis?

Didn't runs 1/4 mile in 2.5 minutes how long does it take him to run a full mile

A solution of 340mg of dopamine in 80ml of solution is administered at a rate of 16ml/hr. What is the flow rate in mg of dopamine per hour?

What is the inverse of the following statement? If two triangles are congruent, then their corresponding angles are congruent. If two triangles are congruent, then their corresponding angles are congruent.

On Saturday, Derek picked pears from 32 trees. He picked an average of 17 pears per tree. On Sunday he picked some more pears, averaging 12 pears per tree. Over the whole weekend he picked an average of 14 pears per tree.

3 6 12 24 48 sequence

56 cars in a car park, 42 are over 2 years old. what fraction are over 2 years old, show in simplest form.

The human eye has different levels of sensitivity for different wavelengths of light. We can measure this sensitivity by comparing it (in percentages) to the highest possible sensitivity.

A European automobile has a gas mileage of 16km/L ... What is the gas mileage in miles per gallon?. Express your answer using two significant figures.