Translate into an equation and solve. Three-fifths of a number is negative twenty-one. Find the number.

This is different from the first one can someone me

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

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?