Answer is 3 Because 100%=$60 so 10% is equal to $6 but they are asking for 5% which is half of 10 and half of 6 is 3.
Answer:
f(7) = -23
Step-by-step explanation:
f(x) = -3x - 2
f(7) = -3(7) - 2
f(7) = -21 - 2 = -23
the last one
I believe it's (6,10).