Which equations show the identity property of multiplication?
choose exactly two answers that are correct.
a.
4.2 = 1 • 4.2
b.
0 • (–8) = 0
c.
–3 • 1 = –3
d.
-1/4 • (–4) = 1

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?