Find the discriminant of the quadratic equation, and determine the number of real solutions of the equation.

2x2 + 6x + 9 = 0

The discriminant is
The number of real solutions of the equation is

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q