Solve 2cos²x=1 on the interval (0,2pi).

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb