Answer:
22
Step-by-step explanation:
I hope this helps <3
I can only write a inequality here but here goes...
since she can atleast type 50 per minute that means the equation would be x >50 (you would also put the line under the > because it can equal it) (x is the amount she can type)
it going to be number three
It is in the form y = mx + b. therefore it is linear.