I need help please =)

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x