Answer:
8,4,0,-3,-5
Step-by-step explanation:
Assuming yo mean
k²-4k-21
factor by doing
what 2 numbers multipily to get -21 and add to get -4?
-7 and 3
(k-7)(k+3) is factored
Answer:
See attachment for answers
Step-by-step explanation:
Let the points be A,B,C
#A
(leg3)
(leg1)
(leg2)
#B
We have to find perimeter



#C
The length of leg3=17.4units
Answer:54sqft
Step-by-step explanation:
A=b*h/2
A=9*12/2=54sqft