How do you write 47% as a fraction or whole number in simplest form?

Which expression is the factorization of x^2+10+21

"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"

What is the value of 4x to the third +4x if x is 4