Two interior angles of a polygon are equal and each is of measure 90°, while all the others are 170° each. Find the number of sides of the polygon.

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.

Write the factored form of this trinomial 9x^2+18x-7

Which statement regarding efg are true? check all that apply