what is the solution to the system of equations?

10x+3y=43
-9x-y=-20

(11, 1)
(1, 11)
(–1, 11)
(11, –1)

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?