2o + 3a = $45
Not sure if this is what your looking for.
Answer:

Step-by-step explanation:
The population of a city is 250,000 and the annual growth rate is 2.2%
General equation for exponential growth is

Where y is final population and P is the initial population
'r' is the rate of growth and x is the number of years
p = 25000 and r= 2.2%= 0.022. Replace all the values in the general equaiton


Answer:
The area of the trapezoid is 56 sq ft