Between 1900 and 2003, the life expectancy for men and women in the united states increased dramatically. for men, life expectancy increased from 48 to 75 years. for women, life expectancy increased from 51 to 80 years.
model male life expectancy m as a function of female life expectancy f. (round your coefficients to two decimal places.)

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

What function has a range {yly< 5}? question on picture above^

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.