The equations of four lines are given. Identify which lines are parallel. Line 1: y=−3/4x−6 Line 2: y−7=−4(x+9) Line 3: y=−2x+6 Line 4: x+4/3y=−5

With #! i’ve tried to figure it out but i can’t.

The sum of two numbers is 86, and their difference is 20. find the two numbers

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?