For 0 < x <2pi, which of the following solves 2cos(x/2)+1=0?

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

On this question. a hypothermia occurs when a person's body temperature drops below 95 degrees fahrenheit. write and solve an inequality that describes how much lower the body temperature of a person with hypothermia will be than the body temperature of a person with a normal temperature of 98.6 degrees fahrenheit