Solve. write both set builder notation and interval notation for the answer. 6-9y> 18

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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.

What is r i 4.5+10r=-6.5 with work pls