Craig likes to collect vinyl records. Last year he had 63 records in his collection. Now he has 112 records. What is the percent increase in his collection? Round your answer to
the nearest whole percent. Do not write the percent symbol.

can someone help me.

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.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

Three consecutive integers have a sum of 234. what are the three integers