The robber stole 280 dollars' worth of one-dollar bills. he also stole some 100-dollar bills, 50-dollar bills, and 20-dollar bills. which expression could represent the amount of money that was stolen? a) 280(100x+50y+20z) b) 100x+50y+20z-280 c) 280x+170 d) 170x+280170x+280 e) 100x+50y+20z+280

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Find the nonpermissible replacement for binthis expression.b2/5b +5