John wants to estimate the value of π. He measures the circumference of a circular pizza as 105 cm and its diameter as 34 cm, both
correct to the nearest centimetre.
Calculate the lower bound of his estimate of the value of π.
Give your answer correct to 3 decimal places.

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re