Answer:
12.
Step-by-step explanation:
Replace k in the radical by -2:
So we have √(-72*-2)
= √144
= 12.
Answer:
Step-by-step explanation:
The volume of the pyramid is 
Explanation:
It is given that the base of the pyramid is a right triangle.
The formula to determine the volume of the pyramid is given by

where l is the base length of the pyramid,
w is the base width of the pyramid and
h is the height of the pyramid.
From the figure, we can see that,
,
and 
Substituting these values in the formula
, we have,

Multiplying the numerator, we get,

Dividing, we get,

Thus, the volume of the pyramid is 
Can i have brainlieas if my answer true
Answer:
39°
Step-by-step explanation:
3x+15+1+10x+60=180
13x+76=180
13x=180-76
13x=104
x=8
A=3x+15
A=3(8)+15
A=24+15
A=39