A 40-foot tree casts a shadow 60 feet long. How long would the shadow of a 6-foot man be at that time?​

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Aline passes through 3,7 and 6,9 what equation represents the line

If the scale factor between two circles is 2x/5y what is the ratio of their areas?