HELP PLSSS THIS IS HARD SOMEONE

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )