Robbie wants to buy his friend a new phone for his birthday, robbie’s job at the mall pays about $54 and an extra $1.50 per item he sells. how many items does he need to sell to reach his goal of $455.50? * 40 points*

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

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?

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?