Need to check answers

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest