[1] Billy already had some money saved. He worked for 10 weeks over the summer, saving the same amount of money each week. After 3 weeks his savings total was $1,175.
After 7 weeks his sayings total was $1,675.
a) How much money did Billy have in savings before he started his summer work?
b) How much money did Billy have in savings after 10 weeks?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie