Tom has twice as many marbles as luke. together they have 39 marbles. how many marbles does tom have?

What is the answer to this problem? ignore the work. what is the correct answer?

Which equation can be used to determine the reference angle, r, if 0=7 pi/12?

Shane and abha earned a team badge that required their team to collect no less than 2000 cans for recycling. abha collected 178 more cans than shane did. write an inequality to determine the number of cans, s, that shane could have collected.