What is If x represents the unknown part, which of the following shows a valid set of steps that can be used to find 15% of 30? I really need this answered quickly! Its on time 4 learning.

Volume of cylinder with a radius of 8cm and height of 25 cm

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar, how much will the car be worth in 8 years?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation, and the determine the cost if he drove it70 miles. b) what would be the cost of a car rental if the car was driven 250 miles? show work