2.1+(-3)-(-0.9)= help

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.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is