Which expression is equivalent to 5(8 + 9)? 40 + 45, 13 + 9, 13 + 14, or 40 + 9?
plz meh!

What are potential hypotheses (explanations) regarding why there are ecological equivalents between many metatherians and eutherians? discuss your hypothesis in terms of the processes that could lead to the current ecologies and distributions of metatherians and eutherians.

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.