Your answer is the last one!
Been a bit since i’ve done this kind of problem.
X+4=20
X is the number of hours needed to work, while 4 is the hours already there.
A, D, E. A monomial is a single algebraic expression.
D should be the correct answer :)
Answer:
volume of hemisphere=2/3×pi×r³
volume of hemisphere=2/3×22/7×8³
volume of hemisphere = 1072.76cm³
