I've got 2 out of 3 marks pleasee help i don't know where the 3rd one would be. thanks in advance

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?