Does The Seat Height graph begin and end with a value of 0?

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

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?