4 x+9=13 X=4 subtract 9 from the 9 and 13 and 13-9 =4 so x=4
Answer: 1 1/5
Step-by-step explanation: 3/5 is the radius so you would times the radius by two to get the diameter which is 1 1/5.
D. 180/4=45. That’s the distance in an hour. Then multiply that by 8.
Answer:

Step-by-step explanation:

Add 20 to both sides:

Multiply 8 on both sides:


Divide by 13 on both sides:
