Simplify the expression.
(9+41)

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.