Explain why the following statement is true: if an isosceles triangle is obtuse, then the obtuse angle is the vertex angle?

Select a graph that have an equation with a < 0

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13