two students are reading a book. keith reads 6 pages a day. tameka reads 5 pages a day, but she starts sooner and has already read 15 pages.

Change negative exponents to positive. then solve. round to four decimal places

How do i simply this radical expression?

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"