Lucy has some pennies and some nickels. She has a maximum of 15 coins worth a
minimum of $0.47 combined. If Lucy has 6.999999999999999 nickels, determine all
possible values for the number of pennies that she could have. Your answer should be
a comma separated list of values. If there are no possible solutions, submit an empty
answer.

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?