I really suck at slopes so if someone could help me ASAP will give 100 points if someone answers ASAP thank you

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.