Exercitiul 1, am nevoie de ajutor, chiar nu l am inteles, dau 20p si coroana!(cat mai rapid)

Every time you drive you will experience a combination of driving conditions and environments.

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?