Allison has some pennies and some nickels. She has no more than 23 coins worth a minimum of $0.75 combined. If Allison has 6 pennies, determine all possible values for the number of nickels that she could have. Your answer should be a comma separated list of values. If there are no possible solutions, submit an empty answer.

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits