257 sci cu grau si 97 saci cu porumb cantaresc 14.480,iar 349 saci cu grau si 97 saci cu porumb cantaresc 18.344 kg. Sa se afle cat cantareste un sac cu grau sicat cantareste un sac de porumb

Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%