Step-by-step explanation:
For the first term
(b)
(c)
(d)
(e)
(f)
The difference of 2 squares is equivalent to
(their sum) times (their difference) .
Y² - 49 = (Y + 7) (Y - 7) .
Answer:
I think 9 if im not correct i sincerely apologize
Answer:
Step-by-step explanation:
Sammie is x,,,, Jennie is 9 years younger than him. So, Jennie ( y) = x-9
According to second condition eq is
(X-5) = 4(y-5)
Place the value of y in eq 2
You will find x= 17
Put x in eq 1
Y = 8
Answer:
45 degrees
Step-by-step explanation: