12 is 5% of what number ?

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

Is a square always, sometimes, or never a parallelogram