What multiple of 4 is greater than 16 but less than 24?

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

5/6+7/8what is the answer sealsdbdbshd

Average acceleration: i have no idea how to do this.