You have to find the area of the four triangles which is the perimeter of the base and multiply. It by your height and your case you have to find out if it’s a slant height.
Answer:
x^2+3x-4
Step-by-step explanation:
x * x - x + 4x - 4
x^2 - x + 4x - 4
x^2 + 3x - 4
More than one liter because it only depends how bog your sink is...I believe it is more than one liter
Answer:
fg(4) = 6
Step-by-step explanation:
f(x) = -x + 7
g(x) = x - 3
fg(x) = -(x-3) + 7
= -x + 3 + 7
fg(4) = -4 + 10
= 6