If nickels and quarters add up to 28 coins then it would be
n + q = 28
If nickels are .05 and quarters are .25 and the total is $4 then it would be
<span>.05n + .25q = 4</span>
It's the second one -7x^2 because a quadratic equation needs to be squared and that's the only one that provides that, you can also find the differences of each equation to see if it's quadratic
Answer:
Second one
Step-by-step explanation:
Answer:
ur answer dude here ...... hope hlps u
Answer:
yes it is c you are correct
