Can you plsss. answer 1,2, and 4 questions plss. I need help!​

What is 1.5% of 120 or what number is 1.5% of 120

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?