Se quiere colocar azulejo en forma de hexágono en un baño con dimensiones de 2 x 1.8 metros; cada azulejo mide 0.20 m por lado y de apotema 0.17 m. Cuantos azulejos se necesitan para cubrir todo el piso del baño

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?