I need help with these two . Can anyone help me please :(. Please don’t answer if you do not know .
I’ll mark a a brainliest.

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

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? \

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate