Which of the following presents the correct order of buttons to press on a scientific calculator to enter 8.6 x 10-4?
A. [EE] - [8] [6] [] [4]
B. [8] [EE] [6] [] [4] ||
C. [8] [] [6] [EE] [4]
D. [8] [] [6] [EE] : [4]

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.