The table shows the soil density of several soil samples at different depth 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 20m. Show your work.

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Evaluate the expression. (9 + 5)(3 + 2)0