If f(x) = 6x - 4. what is f(x) when x = 8?​

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

2,10,-50 next two numbers geometric sequence

X=4 / y=100 if x=10 then what is y=?