Answer:
D
Step-by-step explanation:
Answer:
566
Step-by-step explanation:
566
Answer:
The correct answer is b.
Step-by-step explanation:


No real solutions.
Answer:
3-3x/8
Step-by-step explanation:
Answer:
131 cm
Step-by-step explanation:
formula for surface area of pyramid is
S = (1/3)Bh
but the base ia a square, so B = 
S = (1/3)
the pic shows h = 8
but we don't know x
do SohCahToa
sin60 = x/8
x = 8sin60
x = 6.92820323 or 7
plug in numbers
S = (1/3)
8
S = 392/3
S = 130.6666667 or 131 cm