If a translation of t2, –7(x, y) is applied to δabc, what are the coordinates of b'?

a, (1, –5)
b,(–4, –10)
c,(–3, –12)
d,(3, –12)
what is the answer ?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?