Andre received and spent money in the following ways last month. He owed $65. After that He earned $78 dollars selling lemonade. After that he spent $7 on lunch. How much money does Andre have left? ENTER NUMERICAL ANSWER ONLY NO UNITS OR LABELS

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

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)

Find the distance between (0,5) & (-4,2)