5'-11" + 5'-6" + 5'-9" [add feet, then add inches]
= 15'+(11+6+9)"=15'+26"=15'+2'+2"
=17'-2"
Answer:
Step-by-step explanation:
X=7
Y=0
Answer: -4.5
Step-by-step explanation: -3+(-1.5)
Option A:

Solution:
Given expression
.
To find the product of the above expression:

First multiply first two factors with each term.

Using exponent rule: 

Now multiply these two factors with each term.


Using exponent rule:



Hence option A is the correct answer.