D' is located at (-4,2) and E' is located at (8,18) and is the image of DE after a dilation of 1/2 centered at the origin. What is the length of DE? a. 5
b.10
c.20
d.40
pls answer quickly

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

Find the gradient of f(x, y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Find the solution of each of the following.