Mrs tart takes a survey she discovers 60% of her students prefer using pens over pencils in class. if 12 students in Mrs. Tart class prefer to use pens how many total students are in mrs. tarts class

Plzzz asapppppp what is the inverse of f if f(x)=^3 sqrt x-5

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

Luigi is the first person to finish a 5k race and is standing 13 feet beyond the finish line. another runner, mario, is still running the race and has approximately 24 feet before he reaches the finish line. what is the distance between mario and luigi? explain through words, numbers or pictures how you found the answer.