Read the problem. Sara and Elizabeth have exchanged 60 text messages. Sara sent 42 of the messages.
Shade the grid to show the fraction of the text messages that Sara sent.
What percent of the text messages did Sara send? You can use your model to help.

Me. i can't figure out this question. give an explanation too. .

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units