Perform the required calculations for each of the following items. Round your answers to the nearest 0.1%. 20 is how much less than 30? What percent less? 25 is how much more than 20? What percent more? 37 is what percent more than 32? 300 is what percent less than 599? 184 is what percent more than 148? 102 is what percent more than 50? 16 is what percent less than 489? 216 is what percent greater than 80? 418 is what percent smaller than 516?

we need more info to solve this

let's cover over the formula of the vertex:

y = a(x – h)^2 + k

in this formula, (h,k) are the vertex, always remember that the positive or negative value of the vertex is based on the sign it has.

for example, if the vertex is -3,-6 then both the x and y value would have the positive sign attached to it and if it were a positive x and y value, then a negative sign would be attached to it.

with that being said, for our problem the x value is a positive one so we are looking for a number with a negative sign next to it, in this case the first and second choice.

however, for the first answer choice it isn't quite part of the formula so we know that the answer choice correctly displays the x value.

to confirm, we can see if the -1 fits correctly with the second answer choice, and as mentioned above a negative number will have a positive sign attached to it. so, for our problem we can see that -1 has been changed to +1, so we can confirm that the second answer choice is correct.

hence, our final answer is y=(x - 1)^2 + 1

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step-by-step explanation: