What does the function f(14)=11 mean

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)