Answer:
5
Step-by-step explanation:
76+2^2
76+4÷4^4
76+4÷16
80÷16
=5
-32 x 5 = -160
-160/9 = -17.7777777778
if rounded it'll be -18 or -17.8
Answer:
(a)

(b)


Step-by-step explanation:
See attachment for initial punnet square
Solving (a): Complete the square
Initially, we have:

To complete the square, we simply write the letter at the column and the letter at the row in each cell;
So, we have:

Solving (b): Percentage of each
From the question, we understand that W are dominant to w.
So:


From (a) above



So, the percentage of each is:




--- Complement rule


Answer: number 2 is the correct answer
Step-by-step explanation: