20 points! 1. how many triangles are inside a decagon? 8910112. which of the following sets of numbers could be the sides of a triangle6, 8, and 159, 13, and 172, 3, and 610, 10, and 203. which type of triangle, if any, has side lengths of 11, 15, and 25? equilateral triangleisosceles trianglescalene triangleit's not a triangle.

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

Solve the formula ax+ by = c for x.

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?