Number is an isosceles triangle number seven is a right angle triangle number 9 I believe is a scalene triangle number 10 is a right angle triangle I also believe 11 is a scalene triangle and I believe number 8 is equilateral triangle
5z>15-----subtract 2 on both sides
z>3----divide by 5
therefore, z must equal -10, or -4
Step-by-step explanation:
