Can someone help me please? whoever answers first gets the brainliest

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

For what type of equity loan are you lent a lump sum, which is to be paid within a certain period of time? a. a line of credit b. equity c. a second mortgage d. an amortization

"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"