450,137,879 dived by 4,890 please give me step by step explanation please!!

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?