Choose the correct simplification of the expression 4 over y to the power of negative 3. a) 4y^3 b) 4 over y to the 3rd power c) y to the 3rd power over 4 d) this expression is already simplified.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

What is the circumference of the pie