Identify the steps that complete the proof

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

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?

When you find the area of a triangle do you use in. or in2