Find 3 unique whole numbers where if you take its reciprocal and add them, they will equal 1

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?