Answer:
C. Both Set A and Set B
Step-by-step explanation:
because for any domain ,you will get only one range value ,
but ,there are two range values for 2 in set c , so this is not a function
The scale factor 0.05 refers to length, so for area the scale factor is 0.05²=0.0025.
We then multiply: 220 ft²*0.0025=0.55 ft² (choice A)
Answer:
d
Step-by-step explanation:
cause
Answer:
let x=rate of the rowing team in still water
x+4=rate of the rowing team with current
x-4=rate of the rowing team against current
travel time=distance/rate
..
90%2F%28x%2B4%29=10%2F%28x-4%29
90x-360=10x+40
80x=400
x=5 rate of the rowing team in still water=5 mph