Moreee the table shows the soil density of several soil samples at different depths. depth (m) 1 5 6 8 10 12 14 21 23 24 28 soil density ( ) 1045 1063 1102 1140 1191 1232 1249 1254 1265 1268 1273 (a) write the quadratic regression equation that models the data. let x = depth below the surface and let y = soil density. (b) use the equation to estimate the soil density of a sample at a depth of 20 m. show your work.

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a