while excluding 0, the product and quotient is positive if operating between same sign, otherwise if we operating different sign will resulted negative.
Answer:
7a-12
Step-by-step explanation:
explanation is in the pic.
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Proportional equations are the equations that have the graph which pass through (0,0).
y = -9x is proportional.
y=x is proportional
y=1/2x is proportional
That's it. Only these three equations have (0,0) intercept.
It’s equal to 45/100 which equals 9/20