The answer is F because you use the square's measurements as the base of each triangle then multiply each triangle then divide by 2. The multiply by 4 because there are four triangles and multiply 12 by 12 to get 144 because it is the base and the height of the square.
Three hundread and forty-seven million three hundread and sixteen thousand and twenty-nine....347,316,029
First one: y=-2x+3 is the answer
Given :
The value of the surface area of the cylinder is equal to the value of the volume of the cylinder.
To Find :
The relation between height and radius.
Solution :


Now ,

Hence, this is the required solution.
You didn’t explain specifically, what do you need help on?