Answer:
negative correlation on Edg
Step-by-step explanation:
For problems like this you can move the y's on the bottem up top by fliping the sign of the exponent (in this case 7 to -7) and MULTIPLYING it with EVERYTHING on top, then because of properties of multplication you can add the exponents to combine them into one term (in this case add 3 and -7 to get -4)

If any of this does not make sense let me know and ill try to clarify better
Answer:False
Step-by-step explanation:
Because when you go up and you subtract that numbers you don't get the number you need
X^2-9=0 add 9 to both sides
x^2=9 take the square root of both sides
x=±3
80% is your correct answer