Kelly's Shopping Spree Kelly received two gift cards to her favorite store. One card
was worth $25 and the
other was
worth $40. She went
shopping and use the cards to buy 3 shirts for $9 each
and 2 skirts for $17 each.
• How much gift card money did she have left?

What is the value of x? enter your answer in the box. (cm)

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?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?