What is the volume of a rectangular prism with 4/5 centimeters 3/2 cm 5/3 centimeters

Need ! easy 6th grade work! i will put as much points as i can! you so much! i’m learning this in math and it’s soo

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

10x − 5y + 14 = 0 whats the answer pls