Answer:
C) P AND E
Step-by-step explanation:
Answer:
4n+(2n-9)
4n+2n-9
6n-9 =the total age
6n=9
divide by 6 both sides.
n=9/6
n=1.5 years.
substitute the value of n in the age of the father and the daughter.
Age of father=4×1.5
6years.
Age of Daughter = (2×1.5)-9
3-9
=-6 years
Total age
6-6=0
(2b + 7(2b + 7) : the factor to this expression
Answer:
Step-by-step explanation:
It must end in (divisible by 2 rule) and the digits must sum to a multiple of 9(divisible by 9 rule).
The digit sum is .
We want to make as low as possible because it's a higher digit than .
If is as low as possible, we have that the sum is . Uh-oh. has to be even! So doesn't work.
If , we have that the sum is . Yay!
So, the answer is
The answer is C
negative times negative is equals to positive