M×10+m×13=138sorry theres another loll i'm so bad at these

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?