Please solve this law of indices question
i will mark you as brainlisted

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

"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"