Hellppp i'll give brainliest to correct answer

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false