Answer:
3.43424 (US liquid gallon)
Step-by-step explanation:

This is an exact answer. the answer will be a bit larger than 20
Answer:
-3(8+2)=-30
Step-by-step explanation:
-3(8+2)
(8+2)=10
-3×10=-30
60 because .7 times 60 equals 42 therefore the answer is 60
Y = 4x - 1
// Plug this in for variable y in equation [1]
[1] 20x - 5•(4x-1) = 5
[1] 0 = 0 => Infinitely many solutions