Connor is a 400m runner. He has kept a record of his running times, shown in seconds in the table below. Calculate the following:
his median time
his modal time
seconds
seconds
Connor's 400m times
48.7 48.4
48.5 4.9. 2
48.6 48.5
48.8 4.9.1

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.