I need help again

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.