Answer:
A=2(wl+hl+hw)
that the formula
Length
L 11
W 8
H 21
8 x 11 + 21 x 11 + 21 x 8
SA = 974in^2
Step-by-step explanation:
Hope this helps :)
Answer:
domain: all real numbers
range: y<-2
Step-by-step explanation:
I think its correct but already know the answer sooo yea
Answer:
...................
Step-by-step explanation:
.......
2x^2-8x-24=0
Divide the whole equation by 2.
x^2-4x-12=0
Complete the square
x^2-4x+4-16=0
(x-2)^2 -16=0
(x-2)^2=16
Take the square root of each side.
(x-2)=4 and (-(x-2))=4
x=6 and x=-2