Answer:
-61/4
Step-by-step explanation:
-1/2 + x = - 21/4 - 23/4 - 19/4
-1/2 + x = -(21+23+19)/4
x = -63/4 + 1/2
x= -63/4 + 2/4
x = -61/4
Hope that helps, tell me if you need further explanation. =)
The first thing you should do is to determine all the zeros, and you will have 7, -11, 2 + 6i, 2 - 6i.
After that you have to <span>subtract and (x) from every each zero that you have above, which means
</span>

<span>And the last step is to multiply them together, and that's all you need!
</span>

<span>I am pretty sure that everything hase become clear! Regards.</span>
A) x-6; you have x amount of money and pay 6 dollars for a hat.
b) 2(x2);
<span>if at 7 it was 65 and at 9 it was 55, that means temperature is decreasing by 5 per hour</span>
It’s either a or c I’m not real sure