What is 3/16 times 3/8? Someone pls help me

Measures of the angle of r, 31 s (x+4) t (3x+9)

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?

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left