In the arithmetic sequence {−9,−4,1,6,11,…}, what is the common difference? enter your answer as a number, like this: 42

The common difference is 5.

Step-by-step explanation:

I chose two numbers (6 and 11) and saw what plus 6 is 11. So i did 11-6 and got 5. Then I checked my work by doing -9+5 and it was -4.

1. perpendicular

2. parallel

3. perpendicular

actually your concept is wrong

step-by-step explanation:

150% of x =300

150x=300×100

x=(300×100)÷150

x=200