Which values are equivalent to the fraction below? check all that apply. 2^4/2^7

a. (1/2) ^3

b. (1/2) ^28

c. 2^3

d. 2^11

e. 2^-3

f. 1/8

Explain whether an editorial article in a newspaper, expressing the views of the editor, should be classified as a valid source of information.

Who made advances to our understanding of the conscious and unconscious mind?

Which of the following dose not represent an adaptation that would lead an organism to be successful

What is the voltage of a battery that uses 800J of energy to move 40C of charge through a resistor

Ancient cultures built some impressive structures that incorporated astronomical functions and information (Stonehenge, Chichen Itza, the Great Pyramid).

How can the same material bend in one situation but break in another

According to Newton's first law of motion, what would happen to a car traveling at a constant velocity of 55 MPH to the west in the absence of an unbalanced force?

The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States.

Describe how lighting is just like you walking across a carpet and getting shocked

You need to raise a heavy block by pulling it with a massless rope. You can either (a) pull the block straight up height h, or (b) pull it up a long, frictionless plane inclined at a 15∘ angle until its height has increased by h.