Question

Please solve it quickly
it's urgent ​

Answer 1

Answer:

ans is 7

Step-by-step explanation:

(81)^-2/ (729)^(1-x)=9^2x

9^(-4-3+3x) = 9^2x

-4-3+3x=2x

x = 7

Answer 2

Answer:

last sase siso

Step-by-step explanation:

Normal distribution, also known as the Gaussian distribution, is a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean. In graph form, normal distribution will appear as a bell curve.