Please answer correctly! I need this to be correct otherwise I will fail the semester!

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

Acaterpillar eats 1400\%1400% of its birth mass in one day. the caterpillar's birth mass is mm grams. which of the following expressions could represent the amount, in grams, the caterpillar eats in one day? \

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)