When i write 0.75 reduce to a fraction in simplest form where does the 25 comes in ?

"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"

Three consecutive integers have a sum of 234. what are the three integers

Brad earns $12.75/hr and works 40 hours a week. what is his gross annual income?