Answer:
8+5=13 and 8+9=17 or (8+5) - (8+9) =-4
Step-by-step explanation:
Surface area is what it seems to be. All of the area of the solid's faces together. Like a cube, just find the areas of all of the squares that make the cube then add them together.
-2? I'm guessing I think it's wrong but the distant between us -2 but if it were measuring I'd say 5 by counting the points
Answer:
15.4z - 12
Step-by-step explanation:
Distribute:
=7.4z + (−5)(−1.6z) + (−5)(2.4)
=7.4z + 8z + −12
Combine Like Terms:
=7.4z + 8z + −12
=(7.4z+8z) + (−12)
=15.4z + −12