If pentagon abcde is rotated 180 clockwise to 8 pentagon a b c d and e the coordinates for a will be what

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?