499,998 rounded to the nearest ten

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Match the one-to-one functions with the graphs of their inverse functions.

2. there are 250 students in a school auditorium. use numbers from the box to complete the table. 16, 38, 18, 45, 25, 50, 32, 60 grade number percent of all students of students fifth 24 sixth 95 seventh 20 eight 45