I hope this helps. X is equal to 4 and -9
(3a-4b)²
= 9a² - 12ab + 16b²
If you plug in 7 for n, you get
(7+1)(7-2).
Simplify that.
(8)(5)
Simplify that and you get the 7th term of the particular sequence is,
40
Hope it helps :D
Answer:
b,b.a
Step-by-step explanation:
Let's make "x" the variable for Maria's age.
And since Maria's father is 20 years older than Maria:
Age of Maria's Father = x + 20.