Katherine was out at a restaurant for dinner when the bill came. Her dinner came to $22. After adding in a tip, before tax , she paid $28.38, Find the percent tip

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)