Simplify completely: - 3 (4-9) + 6-2 (-8+5)

How can different type of matter be distinguished from each other

What is most likely happens during a chemical change

A ball has a mass of 140 g. what is the force needed to accelerate the ball at 25 m/s2?

What is the major limitation to the light microscope?

A boat is headed due north on a river that's flowing directly east. What is the general direction of travel for this boat with respect to the land?

Charlotte, a 60.0-kg skin diver, shoots a 2.0-kg spear with a speed of 15 m/s at a fish who darts quickly away without getting hit.

All objects are attracted to each other by the force of a. weight. b. mass. c. inertia. d. gravity.

landslides and mudslides caused by lava flows are ___ deadly than the lava flow itself. a. more b. less

3. How is electric potential different than electric potential energy?

Ethan pushes a wooden box across a carpet floor then he pushes the same box across a smooth marble floor why does Ethan find it easier to push the box on the marble floor than carpet floor