What is the area of this figures

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Aprobability experiment is conducted in which the sample space of the experiment is s={7,8,9,10,11,12,13,14,15,16,17,18}, event f={7,8,9,10,11,12}, and event g={11,12,13,14}. assume that each outcome is equally likely. list the outcomes in f or g. find p(f or g) by counting the number of outcomes in f or g. determine p(f or g) using the general addition rule.