Given: parallelogram abcd
prove: ac bisects bd, and bd bisects ac.
(2a, 2b)
(2a, 2b + 2c)
(2a, 20)
(2a + 2b, 2c)

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Enter the amplitude of the function. f(x)=3cosx

Jan is making cakes for her party. five cakes will serve 45? people. how many cakes will she need for 72people? what is the unit rate? graph your data.