Una docena y media de gladiolas cuesta $18.00 ¿cuánto debo pagar por 54 gladiolas?

por favor, alguien me ayuda?

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

Could someone with number 1 and 2

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?