(5.12a) The ampunt of money still owed on a loan is a function of the number of months the borrower has been paying off the loan. The rate of change of the function
is -200 dollars per month and its initial value is 8000 dollars. Write your answer in
y = mx + b form simplified

George has a triangle-shaped garden in his backyard. he drew a model of this garden on a coordinate grid with vertices a(4, 2), b(2, 4), and c(6, 4). he wants to create another, similar-shaped garden, a′b′c′, by dilating triangle abc by a scale factor of 0.5. what are the coordinates of triangle a′b′c′?