D- 2x-1
plug in a number for x and you'll see
The formula for triangle area is b•h/ 1/2. so you would do 12•5=60. then divide that by 2 to get 30
Answer:
So 144 divided by 9 equals 16 so the length is 16. Cause 16 x 9 = 144 Your Welcome !
Step-by-step explanation: