Which of the following options have the same value as 10% of 33

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

How do you solving the solution of each system using elimination?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?