When you come across a solution that reads 2 = 2, your answer is...

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip. gasoline costs $1.05 per gallon. what was the cost of gasoline per mile driver?

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.