Ming reads 1\4 of a book each night. how long will it take her to read 3\4 of the book.

Just tell me how to set up the equation.

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?