A local farm has a 0.75 acre field that was planted with 26,100 corn plants. Once acre is equivalent to 43,500 square feet. Assuming that he same planting density, how many corn plants could they plant on a field with an area of 80,000 square feet?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

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.