Eden has 12 erasable pens. After she gave 4 of her pens to David, she has 8/12 of her pens
left. What fraction of her pens did she give away? Write the answer in simplest form.

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

Determine the area of a triangle with (see picture below)

Iwill give brainliest. give accurate answer, . suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?