Ashley made a circular picture frame with a diameter of 60 cm. She wants to glue string around the outside edge of the frame. String cost $0.32/cm. What is the total cost of a string before taxes?

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)

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

12 3 4 5 6 7 8 9 10time remaining01: 24: 54which graph represents this system? y=1/2x + 3 y= 3/2x -1