Answer: 
Step-by-step explanation:
To solve for y, we want to make sure y is isolated. SInce y is already isolated, all we need to do is divide both sides of the equation by 3.
[divide both sides by 3]
or 
B? I’m sorry if I got it wrong
Answer:
124(cm)^2
Step-by-step explanation:
total surface area of a cuboid=
length=7cm
Breadth=5cm
Height=4cm
2{(2*7)+(5*4)+(4*7)}
2{14+20+28}
2*62
124(cm)^2
A straight line extending from the center of a circle or sphere to the circumference or surface.. of a circle is a half the diameter.