The lengths of the rectangle have been measured to the
nearest tenth of a centimetre.
Work out the following, writing down all the figures on your calculator display:
a) The upper bound for the area of the rectangle.
b) The lower bound for the perimeter of the rectangle.
87.3 cm -length
51.8 cm- width

Can someone me with the property questions for 12 13 and 14 plz

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.