Answer:
we need more information
Step-by-step explanation:
more info
5 to the power of 3 is equal to 5 x 5 x 5
5 x 5 = 25
25 x 5 = 125
5 to the power of -3 is 1 over 5 to the power of 3
1/125
Answer:
-2x-7y=-4
Step-by-step explanation:
5x+-7x=-2x
-9y+2y=-7y
1+-5=-4
So -2x-7y=-4
Answer:
perp. just switch from -2/5 to positive 5/2
Step-by-step explanation: