Ineed this !
a chip board has 10 black chips and 13 red chips what is the value of the chip board

Ineed with number 17 i don’t get it at alll

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

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.