Answer:
The answer is 1
Step-by-step explanation:
i) 
ii)
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iii)
<h3 />
iv) 
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v)
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vi)
<h3 />
vii)
viii)
ix)
x)
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You first divide 30 by 4 to see how long it takes him to run one mile. Then you get 30/4 which simplified is 15/2 minutes
Answer:
11
Step-by-step explanation:
The answer is 11 because 2x7=14+2x2=4. 14+4=18-1=17. 30-17= 11
Answer:
Step-by-step explanation:
Q6 6^(-7-4+11)
6^0
1
Q7 5^11
Q8. -5^(-9+10)
-5^(1)
-5
Answer:
-3
Step-by-step explanation:
2x-1=4x+5
-1=2x+5
-6=2x
x=-3