What is 8 + 9 + -10 - 3x simplified?

Listed below are the measured radiation absorption rates? (in w/kg) corresponding to 11 cell phones. use the given data to construct a no plot and identify the 5- number summary

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.