A farmer sells his corn for $230 a metric ton with a small surcharge of $25. His neighbor sells her corn crop for $230 a metric ton and gives a $15 rebate. Write the cost model equations for both farmers and find the amount of corn that
makes the costs equal.

What is the least common factor of 6 and 8

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so