Answer:
Step-by-step explanation:
Do you have the options?
For the vertical line test, you can only use the X once per Y. You can not have more than one X.
50×40=2000
50×8=400
40×7=280
8×7=56
Answer:
Only one solution 
Step-by-step explanation:

Multiply equation
by 

Now from equation 
equation

Put the value in equation 

hence only one solution exists
.
Answer:
40% or 0.4
Step-by-step explanation:
70 ÷ 175 = 0.4
Answer:
0.222222222
Step-by-step explanation:
in fractions, the / represents division.
so, we do:
2 ÷ 9 = 0.222222222
Hope this helps.