Write a paragraph explaining why cos(30)=sin(60) and sin(30)=sin(60), based on the symmetries of the unit circle.

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read