sts a family 324 to buy a 10 ft by 12 ft rug At this rate what will it cost them to buy a 15 ft by ct one a 729 D 466 56 c 388 80 d 270 eck ert raises earthworms In a square of compost 4 ft by 4 ft he can have 1000 earthworms How ma worms can he have if his square of compost has a side length that is 8 times longer ct one a 32 000 b 64 000 C 8 000 d 256 000