I think it is a statistical question
22.5/5 = 4.5
For every 4.5 minute, she runs 5 km
Answer:
Average rate of car: x+3
Walking rate: x
The equation is
10/15 = x/x+3
So
x = 6
So
Average rate of car: 9 mph
Walking rate: 6 mph
Step-by-step explanation:
Answer:B
Step-by-step explanation:
-2x+5>9
-2x>4
-x>2
x<-2
A=2,h=5,k=0 and the vertex,which is (h,k) is vertex (-5,0)