There are six girls and 18 boys in a class what percent of the students are girls

Asquare parking lot has 6,400 square meters what is the length in meters

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

What are the exclude value of mn+3m