Juan was in debt to his father$4. he then borrowed $3 from his father for lunch. what integer represents juan's debt to his father?

Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

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.

Y=21.95x+10 y=22.45x solve by substitution