A construction crew built 6 3/4 miles of road in 1 7/8 days.

What is the unit rate in miles per day?

Write your answer as a fraction or a mixed number in simplest form.

The lengths of the sides of a square are multiplied by 2.5. how is the ratio of the areas related to the ratio of the sides?

What is 3 to the power of 3 over 2 equal to?

How do answer 8u² - 42u²

The volume of ice-cream in the cone is half the volume of the cone. The cone has a 3 cm radius and height of 14 cm. What is the depth of the ice-cream, correct to 2 decimal places

A collection of nickels and dimes is worth $9.45. If the number of dimes is doubled, the value is $16.65. Find the number of each coin.

Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz. what z-value corresponds to a birthweight of 138 oz.? (round your answer to the nearest hundredth.)

For every 24 minutes of television, there are 6 minutes of commercials. how many minutes of commecials are in 1 hour and 36 minutes of television?

There is a red, a green, and a yellow bulletin board hanging in the hallway. All of the bulletin boards are rectangular with a height of 4 feet. Their lengths are 6 feet, 5 feet, and 3 feet.

What is the equation of a line that is parallel to y=5/6x-10 and passes through (12, 8) ? Enter your answer in the box.

And earthquake wave travels through 55 km of rock in 25 seconds. Write a equation to represent the relationship between t, the number of seconds, and d, the total distance the wave travels.