Which equation could be used to calculate the cost c for any number of people p to eat at the restaurant

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Yvaries inversely as x. y =12 when x=5. find y when x=4