Three lemon cookies pluz two fudge cookies have 400 calories. Two lemon cookies plus three fudge cookies have 425 calories. How many calories are in each kind of cookie?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Which of these would have been most likely to have been a carpetbagger during the reconstruction era? a) a new york businessman who relocated to mississippi b) a former slave who was able to buy land in birmingham c) a carolina-born politician who supported the democratic d) a former confederate officer who owned a farm in memphis eliminate