1) State the value of the discriminant of 2x2 + 11x = -15. Then determine
the number of real solutions of the
equation

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?