what is the value of r when the arithmetic mean of r+7 and r+3 is 3r+9? A. -10 B. -7 C. -6 D. -5​

Answers & Comments


Add an Answer


Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Helpful Social

Copyright © 2024 EHUB.TIPS team's - All rights reserved.