Two cones have a radius of 3 centimeters. the height of one cone is 12 centimeters. the other cone is 13 that height. which of these statements is not true?

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.