Answer:729
Step-by-step explanation:
81^3/2
(3^4)^3/2
3^6
729
The answer would be (-5+_sqroot(-3))/2 which are answers A and F
Answer:sure!
Step-by-step explanation:
your answer is below
we have angles
7
8
9
and
10
so the complemantary is 90
Answer:
x = 4, -2 1/2
Step-by-step explanation:
factors:
(2x + 5) (x - 4)
set each factor equal to zero:
2x + 5 = 0
2x = -5
x = -5/2
x - 4 = 0
x = 4
A would be the correct ans