Answer:
7^4
Step-by-step explanation:
7^12 / 7^8
We know that a^b / a^c = a^(b-c)
7^(12-8)
7^4
Answer:
The answer is B
Step-by-step explanation:
396.9
.........................
Answer:
x =7, y = 3
Step-by-step explanation:
We substitute the value of x in terms of y (given) into the equation.
Then we solve for y and plug in the value of y back into the equation for the value of x to find x.