A mirror is placed between Michaela and a tree. She is 5.5 feet tall and distance between her and the mirror is 13 feet. If the distance between the mirror and the tree is 25 feet, how tall is the tree?

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?