What are the coordinates of the image of the given point B (-10,-6) under a dilation with the center at the original and the given scale factor k=1/2
A)
(5,3)
B)
(20,12)
o
(-20, 12)
D)
(-5, -3)

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

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?

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?