Calculate the value of A in the statement​

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

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?