I hope this helps you
first number 16
second number ?
Sum of these numbers =x
x=16+?
?=x-16
Answer:
352cm²
Step-by-step explanation:
The shape is a cuboid and it has 6 faces, and the opposite faces are equal, so I calculate 3 different faces and multiplied it by 2 to give me the total surface area. Therefore, total surface area = the addition of all the surface areas in the shape. And to get each surface area, you have find the area of each of the 6 faces, and add them together, to give you the total surface area.
Answer:
y+7-2=21
y+5=21
y+21-5
y=16
Step-by-step explanation:
The absolute value of -3 is -3