Hiram raises earthworms. in a square of compost 4 ft by 4 ft, he can have 1000 earthworms. how many earthworms can he have if his square of compost has a side length that is 8 times longer?
a. 8000
b. 64,000
c. 256,000
d. 32,000

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

Zed is making a centerpiece for his dining room table by putting sand in a cube-shaped vase. the vase is 0.25 meters in length, width, and height. he bought 25 kg of sand. assume the density of dry sand is 1,602 kgm3. what is the volume of the sand that zed purchased? the volume of the sand is approximately m3. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to six decimal places, like so: 42.536475