100 points please helpp

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

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