What two numbers have a sum of 48 and a difference of 13?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense