Pencils come in packs of 12 and erasers come in packs of 10. What is the least number of packs Mrs. Davis needs to buy in order to have exactly one eraser for every pencil? Someone help meee

Which statement best describes the polynomial

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.