A new car is purchased for $25,000 and over time its value depreciates by one half every 5.5 years. How long, to the nearest tenth of a year, would it take for the value of the car to be $1,400?

Geometry ? i don't know how to do any of these.

Select the correct answer what is the 10th term of the geometric sequence 3,6, 12, 24,48 a. 512 b. 3,072 c. 768 d. 1,536

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?