At the beginning of the day the stock market goes up 30 1/2 points at the end of the day the stock market goes down 115 1/4 points what is the total change in the stock market from the beginning of the day to the end of the day

x + 107

step-by-step explanation:

let's say that the number he had before the mistake was x. then, he will have 107 dollars more than this, so the answer is x + 107.

i think the length is 12 and the width is 17

range =5

step-by-step explanation:

to find the range, we take the largest value and subtract the smallest value.

the largest value is 5

the smallest value is 0

the range is 5-0   =5

it will take 9 minutes