X=7
100-30=70
70/10
x=7
hope this helps
The answer is D. when an exponent on the outside you multiply the exponents
Answer:
1)
.
2)
3)
4)
5)
6)
7)
8)
Step-by-step explanation:
In the given number lines, rightarrows represent positive integers and leftarrows represent negative integers.
1)
In first number line we have two rightarrows.
Rightarrow from 0-4 = 4
Rightarrow from 4-9 = 5
So, required sum is
.
Similarly,
2)
3)
4)
5)
6)
7)
8)
Step-by-step explanation:
option 1
option 3