Ineed showing my work for 67.42 \4

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds. then use the distributive property and mental math to evaluate the expression.