12 is 2/3 of what number?

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Which of the following is the true for f(x) = 5cos