X-5Y= 7 X+Y =5 X+4Y+= -3 2X+6Y = -2 X+5Y = 3 X-Y =2 2X+2Y =6 3X-Y=4 2X-4Y=2 X-Y =2 3X-4=-2 X+Y =4 : USE ELIMINATION OR SUBSTITUTION TO SOLVE THE FOLLOWING SYSTEM

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236