Un semaforo mide 2 metros y proyecta una sombra de 10 metros, al mismo tiempo la pared de un edificio proyecta una sombra de 80 metros, determine la altura del edificio,

Find the sum of the following series. round to the nearest hundredth if necessary.

Select a graph that have an equation with a < 0

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.