the graph of a function is shown: (the picture below)

in which interval is the graph decreasing?

ab
bc
cd
de

!

What is the solution of the systems of equations? y=2/3x+3 x=-2

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81