There are 18 girls in Mr. Wilson's math class. It 60% of the students are girls, how many total students are in Mr. Wilson's math class?

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

25 ! i need asap! ! ill mark brainliest!

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.