You gotta tap on it please help I will give you brainliest I’m so lost Rn ong

The dimension of the rectangular pool shown below are 40 yards by 20 yards

What is being done to the variable in the equation 3 + g = -9? the number 3 is being added to it. the number 3 is being subtracted from it. the number -9 is being added to it. the number -9 is being subtracted from it.

Which equation represents the function on the graph?