Simplify the expression 4 to the 3 power and 4 to the negative 6 power fractions

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

What is the surface area of the sphere?

Sections of prefabricated woods are each 5 1/3 feet long, how long are 7 1/2 sections placed end to end?