There are 30 people in student council running for president and vice president. in how many different ways can those be assigned?

Which of the following is the result of expanding the series

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish

If log_3(x)=4.5 and log_3(y)=3, what is log_3(x^2/y)? a. 3b. 6.75c. 6d. 1.5