Can someone help me with questions 12 and 13 please I am very confused with this two I’ll appreciate it!

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. write an equation to determine the total number of pages (p)(p) in the novel.

15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined