Use substitution to solve the system of equations. Y = 4. 5x + 7. 5 y = –3. 5x – 4. 5.

Paint should be stored and mixed in an osha-approved room with all of the following, except: a) adequate ventilation b) ventilation hoods c) unshielded electrical devices d) fire extinguishers

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

Explain how you might determine the rate of weathering on a sample rock