Answer:
1 mile
Step-by-step explanation:
1 hour = 3 miles
20 minutes is 1/3 of an hour, so he walks 1 mile
Answer:
-6
Step-by-step explanation:
Took the quiz and got it right
0.12 because it equals to 12% where 1.2% equals to 0.012
Answer:
2
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
Simplifying the radicals

= 
=
×
= 4

= 
=
×
= 2
Thus
+ 2
- 2
= 4
+ 2
- 4
← collect like terms
= 2
Answer:
45
Step-by-step explanation:
Since the values are relatively small substitute i = 1 to 5 into 3i and sum
(3 × 1) + (3 × 2) + (3 × 3) + (3 × 4) + (3 × 5)
= 3 + 6 + 9 + 12 + 15
= 45