Multiply the following:

(-4x^5) (2x^6)

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

What is the square root of 45? (step by step working plz)