Well , its upside down...
I think its $75 per month cause 300÷4 equals 75
Answer:
p(x) = A(x - 4i)(x + 4i)(x - 3)(x + 3), with A = 1.
it matches
Answer:
all the possible values of y - x are 4 and 5
all possible values of x/y = 1
Interest = Pin = principal * interest rate * number of years
Let interest rate be i, then
600*i*2+150*i*4=90
1200i+600i = 90
i=90/(1200+600)=90/1800=1/20=0.05 or 5%