Answer:
a = 13
Step-by-step explanation:
Hello!! This is how you do it!!
a - 7 = 3 (2)
a - 7 = 6
+ 7. +7
a = 13
Answer: distance from earth to moon is 4x10^5= 4,000,000
The distance from Earth to Mars is about 5x10^7= 50,000,000.
Step-by-step explanation:
Answer: 
Step-by-step explanation:
<u>Given inequality </u>

<u>The goal of the question</u>
To find the minimum and maximum of the relative humidities
For this question, we need to solve the inequality
<u>Simplify the absolute value sign</u>
or 
<u>Add 50 on both sides</u>
or 
or 
Hope this helps!! :)
Please let me know if you have any questions
Answer:
20%
Step-by-step explanation:
1/5 of 1 hour = 20 minutes
so 1/5 = 20%
25% + 20% = 45%
0.35 = 35%
45% + 35% = 80%
100% - 80% = 20%
Answer = 20%
Hope this helps!