1. 3x = 42 2. x ➗ 5 = 24 3. x ➗ 2.1 = 4.4 4. 5x = 80

5. 88 = x ➗ 2.2 6. 1.4x = 15.4

7x = 54.6 8. 144 = x ➗ 3.1

9. x ➗ 7.5 = 3.5 10. 2.64 = 0.4x

11. 13x = 117 12. x ➗ 3 = 0.67

Aphrase is shown read the phrase and give me the answer

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?