Pete Smith found in his attic a Woody Woodpecker watch in its original box. It had a price tag of $4.90. Pete brought the watch to an antiques dealer and sold is for $31. What was the percent increase?

Which expression is equivalent to? assume x > 0 and y > 0.

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)

Abcd is a square. what is the measure of angle bac