Answer:

Step-by-step explanation:
Hello,

hope this helps
About 15 because 9 times 5 = 45 reminder 3 than you add 3 times 5 = 15
Answer:
5.18÷5=1.036 so round up to 1.04
Hello :
<span>a single expression is : A = xy +zk
x : </span> width1 y : <span>length1
z : </span>width2 k : <span>length2
A : </span><span>the total area of the two rooms
note :
A1 = xy ........</span>area of the room 1<span>
A2 = zk </span>.......area of the room 2