It cost it cost $3.45 to buy 3/4 lb of chopped walnuts how much would it cost to purchase 7.5 lb of walnuts explain or show your reasoning

i am currently in the exact same situation rn. algebra2/adv algebra is killing

step-by-step explanation:

a ≈ 172.05

step-by-step explanation:

the pictures.

1. 16.64

a^2+b^2=c^2

pr^2=pq^2+qr^2

pr^2=14^2+ 9^2

pr^2=196+81

pr= sqr root of 277

16.64

2. 11.31

c^2-a^2=b^2

18^2- 14^2=b^2

b^2=324-196

b=sqr root of 126

b=11.31

hope it ! (btw im in connections academy to, good luck! )