There are 1130 females. There are 1370 males. What I did was take 2500 and subtracted 240 from it. I got 2260 and then divided that number by 2 and got the number of females. Then I took that number and added 240 to it and got the number of males.
The equation is already in Standard Form.
Sorry don’t know this one
The value of x is 5. A good tool to use for things like this is "Desmos Graphing Calculator. It is free and there is no wait for an answer.