Please help me ASAP!

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Which of the following is an equation of a line parallel to the equation y=4x+1?

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice