The dot plot represents the amount of rain recorded by rain gauges in different locations around a city.

how many rain gauges recorded rainfall?

Step-by-step explanation:

Given: The dot plot represents the amount of rain recorded by rain gauges in different locations around a city.

It means each dot on the given dot plot represents a rain gauge that recorded rainfall from a particular location.

The total number of dots on the dot plot = 16

Therefore, the total number of rain gauges recorded rainfall =16

both equations and proportions are better.

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm