On this number line, zero represents sea level. plot the following points based on the description provided.

1.5 above sea level = +1.5

absolute value of −4.5 = +4.5

−2 = -2

opposite of 4 = -4

absolute value of 1 = +1

2.5 below sea level = -2.5

greatest common factor of 8 and 12 = +4

−(−3) = +3

−3.5 = -3.5

Opposite of −5 = +5

Num of plants = (original#ofplants)*(1.6)^t