sean is getting gas for his car. the car's 12-gallon tank is 1/4 full. Gas costs $2.449 per gallon. To the nearest cent, how much will it cost sean to fill the tank?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.

Math i have no idea how to do a and b