X=7.
9x-7y=63
9x-7 x 0=63
9x - 0=63
9x=63
X=7.
Y=-9
9 x 0 -7y=63
Answer:
Yes you did good job
Step-by-step explanation:
Answer:
B I think
Step-by-step explanation:
Answer:
The chances of success for Archie is 
Step-by-step explanation:
From the question we are told that
The distance of Sudland from Xhosas is d = 100 miles
The probability of failure is 
The probability of choosing the desert route is 
The probability of reaching Sudland through the mountain is 
Generally the probability of choosing the mountains route is



Generally the probability of success is mathematically represented as



Generally the probability of success in reaching Sudland is also mathematically represented as

=> 
substituting values
=>
=>
=> 
Answer:
40km per hour
Step-by-step explanation:
30 minutes × 2 = 60 minutes/1 hour
80 kilometers ÷ 2 = 40 kilometers
40:60