I believe it is -4xy + 9y^2 - 10
It seem like there are information missing on the question posted. Let me answer this question with all I know. So here is what I believe the answer is, <span>Instantiate an array, load it with values, total up all of the values in the array. finally, find the average of all of the values.</span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
There's no problem so we can't answer it
21
18=0.86x - 0.09 Put 18 as the y value and solve for x
18.09=0.86x Add 0.09 on both sides.
21.03=x Then divide on both sides by 086
