Juan and rachel have the same number of marbles. rachel gives away 10 marbles and juan gives away 22 marbles. rachel then has 3 times as many marbles as juan. how many marbles did each of them have at first

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

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?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2