The table shows the soil density of several soil samples at different depths. 1
5
6
8
10
12
14
21
23
24
28
Depth (m)
Soil density
mg/cm
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 = soll density
(b) Use the equation to estimate the soil density of a sample at a depth of 20 m. Show your work.

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

Atriangle has verticals at b(-3,0), c(2,-1), d(-1,2). which transformation would produce an image with verticals b”(-2,1), c”(3,2), d”(0,-1)?