What is the ratio of a nickel to one dollar, reduces to simplest form?

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?