Answer: Its C SAS
Step-by-step explanation:i know because i dont know
7X-4=6X-4-X
7X-6X+X=0
2X=0
X=0
The dog eats 6 cupcakes in 22 days.
<em>(don't know why a dog would be eating cupcakes in the first place, but sometimes math questions don't make the most sense)</em>
<span>Its speed is 18.05 m/s</span>