Explain how you can use a number line to show that five eights is greater than three eights

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

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost