What is the area? Pls help I’ll mark u

6.3 sq ft

Step-by-step explanation:

Area of entire Δ = 1/2·(4)(1.9+3.1)

                           = 2(5)

                           = 10 sq ft

Area of unshaded Δ = 1/2 ·(4)·(1.9)

                                  = 2(1.9) =3.8 sq ft

Area of shaded Δ = 10.0 - 3.8 = 6.2 sq ft

21

step-by-step explanation:

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b