4 because the triangles equals half and a square equals a full
Answer:
Option 2
and option 4 
Explanation:
In option 1
which is not the difference of squares
In option 2
using the formula

Clearly, the difference of squares
In option 3
not the difference of squares
In option 4
Clearly the difference of squares
In option 5
not the difference of squares
In option 6
not the difference of squares
Answer:
100.763 (cm.²)
Step-by-step explanation:
1. the formula of the required area is:

2. according to the formula above:
A=0.5*15*19/√2≈100.763
Answer:

Step-by-step explanation:
As given
Mario is setting up a new tent during a camping trip.
The tent came with 7 feet of rope.
As 1 foot = 12 inches
Now convert 7 feet into inches.
7 feet = 7 × 12 inches
= 84 inches
As given
The instructions were to use 34.5 inches of the rope to tie a tarp on top of the tent.
Than
Rope left after tie a tarp on top of the tent = 84 - 34.5
= 49.5 inches
As given

i.e


Than the equation becomes



x = 6