How many solutions can be found for the equation 4z + 2(z − 4) = 3z + 11? none one two infinitely many

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 the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.