7. Justin takes his pulse and counts 18 heart beats in 15 s.

a) What is his heart rate in beats per second?

b) What is his heart rate in beats per minute?

c) What is his heart rate in beats per hour?

Route 80 runs a little over 2,900 miles across The United States from the New York City area to San Francisco. If he drove the entire length in 14 days, on the average how many miles would you travel per day?

An irregularly shaped object displaces 32ml of water. It has a mass of 9.0 grams. What is the density

Landon is entering the science fair. He has a budget of $115. He has spent 20% of the money on new materials. How much does Landon have left to spend?

At the start of the football game there were 640 fans in the stadium. It begun to rain during halftime, so 10% of the fans went home. During the 3rd quarter of the game, the visiting team scored five touchdowns so 25% of the remaining went home

At the beginning of an environmental study, a forest covered an area of 1500km2. since then, this area has decreased by 7.1% each year. let t be the number of years since the start of the study. let y be the area that the forest covers in km2.

Kennedy has a gross income of $95,000. What is her total tax due?

There are 6 buses going on a field trip. There are 30 students on each bus. When they get to the park 42 students when to the slides. 28 students went to the swings. 39 students went to the grassy area to eat lunch. How many students are left?

What is 10 times 2.50?

The sum of the three Romano brothers is 63. If there ages can be represented as consecutive integers, what is the age of the middle brother.

Which of the following is not an example of like terms? A. 2 and - 6 B. 2b and - 6b C. 2b and 2