Answer:
The value of k=1
So, Maura claim is incorrect. The value of k=1 and not k=1/2
Step-by-step explanation:
We need to determine the value of k if 
We are given:

Exponent rule, if bases are equal the exponents are equal
We can write 

Now since the base is same, i,e 2 so, the exponents will be same

So, the value of k=1
So, Maura claim is incorrect. The value of k=1 and not k=1/2
Answer: -5.6
Step-by-step explanation:
-(3.1+2.5)= -5.6
Answer:
298.706 K
Step-by-step explanation:
Answer:
Step-by-step explanation:
let the length of rectangle=l units
width=9
p=2(l+9)
area=9l
9l=2(l+9)
9l=2l+18
7l=18
l=18/7 units