What is the solution set of 7x 2 + 3x = 0?

{0, 3/7}
{0, -3/7}
{0, -4/7}

Kelly is three years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?