Answer:
<h2>S.A. = 225 ft²</h2>
Step-by-step explanation:
We have
the rectangle 12ft × 6ft
two triangles with the base b = 12ft and the height h = 8ft
two triangles with the base b = 6ft and the height h = 9.5ft.
The formula of an area of a rectangle l × w:

Substitute:

The formula of an area of a triangle:

Substitute:


The Surface Area:

Substitute:

Answer:
8
Step-by-step explanation:
8j-5+j=67
8J+j
9J-5=67
+5 +5
9J=72
/9 /9
j=8
If this helps please put brainliest
As a mixed fraction it is: 
As a regular fraction it is:
Answer:
6/9
Step-by-step explanation:
( x + 1 ) * ( x 5 ) * ( x - 7 ) =
= ( x² - 5 x + x - 5 ) * ( x - 7 ) =
= ( x² - 4 x - 5 ) * ( x - 7 ) =
= x³ - 7 x² - 4 x² + 28 x - 5 x + 35
Answer:
P ( x ) = x³ - 11 x² + 23 x + 35