What is the value of the expression x + (–y) when x = –2.3 and y = –5.9?

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.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$