I need to know this ASAP

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?