A dragonfly can beat its wings 30 times per second. Write an equation in slope-intercept form that shows the relationship between flying time, x, in seconds and the number of times the dragonfly beats its wings, y.

A balloon is released from the top of a platform that is 50 meters tall. The balloon rises at the rate of 4 meters per second. Write an equation in slope-intercept form that tells the height of the balloon above the ground after a given number of seconds.

The cost of renting a sailboat at a lake is $20 per hour plus $12 for lifejackets. Write an equation in slope-intercept form that can be used to calculate the total amount you would pay for using this sailboat.

A scuba diver is 10 meters below the surface of the water. She is ascending at a rate of 0.1 meters per second. Which equations fits this situation, let y be the depth of the suba diver and let x be the time in seconds?

Rey has opened a savings account with $2,000. She plans on depositing the same amount each month. After the second month her balance is $3,000. Which equation matches this situation, y is the amount in the account and x is the number of months?

A sales associate is given a $500 hiring bonus with a new job. She earns an average commission of $250 per week.

Which equation represents this situation? Let w be the weeks she has worked and p be the amount of pay she received.

A farm has 75 acres of wheat. The farmer can harvest the wheat from 12 acres per day. Which eqution represents the situation where y is the number of acres remaining and x is the number of days?

A water tank holds 18,000 gallons. The water is used at an average rate of 450 gallons per day. What equation represents this situation where y is gallons remaining in the tank and x is the number of days?

Savanna is collecting soil samples from an excavation. She has already collected 25 samples, she must collect 8 more each day. Which equation represents this situation? Let y equal the total number of samples and let x be the number of days.