I really need help I've gone brain dead and I only have this one left, Please help

Verify that parallelogram ABCD with vertices
A(−5,−1), B(−9,6), C(−1,5), and D(3,−2)
is a rhombus. Do the following:
Identify the diagonals of the parallelogram.
Compute the slope of each diagonal.
Explain how you know the parallelogram is a rhombus.

Identify the graph of y = ln x + 1.

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75