Question 4 (multiple choice worth 5 points)

paula purchased adult and child tickets for the carnival. tickets cost $19.95 for each adult and $9.95 for each child. let x represent the number of adult tickets purchased and y represent the number of child tickets purchased. write an expression to represent the total cost of the tickets paula purchased.

$19.95x + $9.95y
$19.95y + $9.95x
($19.95 + $9.95)(x + y)
($19.95 - $9.95)(x + y)

What is the value of x? enter your answer in the box. photo attached.

∆red ≅ ∆ by rule will give brainiest if possible

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?