Write the sum using summation notation, assuming the suggested pattern continues.

9 - 18 + 36 - 72 +

( not that it is asking for summation notation, so the answer is not 45)

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short “whiskers.” each section of a box plot represents 25% of the data.

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project