V3+4v2-5v+3v2+12v-15
v3+7v2+7v-15
Answer: 4.2625
Step-by-step explanation:
11/320=x/124
11*124=320x
1364=320x
x=4.2625
Hopefully I was helpful!
Answer:

Step-by-step explanation:
Objective: Use the rules of Algebra to isolate y.




Answer:
x=-11
Step-by-step explanation:
Answer:
144
Step-by-step explanation:
4 triangles = 1/2 x 6 x 9 x 4 = 108
1 sq base = 6 x 6 = 36
total surface area = 36 + 108 = 144
if 3 triangles the base wouldn't be a square thus not possible to solve