X^2 + x^4 = 1

how would you solve this

Write an expression that can be used to solve the problem. During practice, it took Shawn 27 min to swim 81 laps. If Shawn swam at a constant rate, how long did it take him to complete each lap? A. 27 x 81 B. 27+81 C. 81/27 D. 27/81

Which of the following discoveries is the basis of the Bering Land Bridge Theory? A. Mammoths frozen in glaciers B. Clovis Man C. Folsom Man D. Mummies found in South America

In a certain clothing store, 6 shirts and 3 ties cost $79.50, and 3 shirts and 2 ties cost $41. determine the cost of each shirt.

Which is greater 0.4 or 0.84?

I had 10 cookies. i gave 1/4 of cookies to the girl how many or lift

Andy canoe is 2.7 meters long. how long would it be in milliters?

5,000 mL is equal to: 5 L 0.005 L 5,000 cm² 5,000 cm³

Find the radical equivalent of 272/3 and compute it.

Simone takes dance lessons. Her shoes cost $150 per year, her tights and leotards cost $70 per year, her hair accessories cost $15 per year, and the dance lessons cost $1,000 per year. How much will Simone pay for five years of dance lessons?

Solve for all zeros, reduce as much as possible, show all work. x^4 + 14x^2 + 45 = 0