(slopes) PLEASE HELP IT'S OVERDUE AND I'M CONFUSED! (brainliest)

Alaptop computer is purchased for $1350 . after each year, the resale value decreases by 30% . what will the resale value be after 5 years?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0