Which figure shows a line tangent to the circle?

Ten times the square of a non-zero number is eqaul to ninety times the number

What is mean median mode and range?

"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"