how do you solve distributive properties ?? and pre algebraic expressions/equations i have a test over it all and i'm in 7th grade plz help ASAP

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.