Answer:
729
Step-by-step explanation:
9 x 9 = 81
81 x 9 = 729
Answer:
(4,-10)
Step-by-step explanation:
You set them equal to each other.
You get x=4
Sub in 4 for one of the equations
y=-10
Answer:
see below
Step-by-step explanation:
7x-4 6x-4-x
Combine like terms on the second expression
7x -4 6x -x -4
5x -4
These are not equivalent expressions
7x -4 does not equal 5x-4
Answer:
6, 0, 10
b
Step-by-step explanation:
Answer:
D,x < 36 and x > 0, negative number cannot be in sq.root