Help asap! please don’t have me go to a link just comment please

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,