Little sister needs on her math!
sasha had a box of 64 crayons. ari had a box of 48 crayons. how many more crayons does sasha have than ari?

(this one's easy but i can't her because i'm doing my own math rn.)

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187