Which of the following could be the ratio between the lengths of the two legs of a 30-60-90 triangle? check all that apply! (/ means sqare root) a.) 1 : /3 b.)/2 : /2 c.)2/3 : 6 d.)/3 : /3 e.)1 : /2 f.)/2 : /3

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Sketch one cycle if the cosine function y=2cos2theta

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?