40% of students surveyed said that they are night owls. If 300
students said they are night
owls, how many students were
surveyed?

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!