.Write the expression x4 + 5x2 – 8 in quadratic form, if possible.

What is the value of x in the diagram below?

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?