If m = 3, what is the value of 3m?

The circumference of a circle is 5 pi cm. what is the area of the circle?

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

True or false look at the picture pls : /