(20 s) What does  $$ab^2$$  mean for real numbers  $$a$$  and  $$b?$$

(30 s) Find the area of an equilateral triangle with side length  $$2.$$  

(30 s) Find the next letter: O, T, T, F, F, S, S, E

(30 s) If  $$\frac{1}{8}=0.125,$$  then find  $$\frac{1}{16}.$$  

(30 s) Adam is two times older than Beth. A year later, the sum of their ages is $$14.$$  What is Beth's age now?

(Xuan and Yuan are playing a game. They roll two dice. If the sum is greater than seven, then Yuan wins, otherwise Xuan wins. Find the probability that Xuan wins.

(3Find the cost of a Math Competition book that costs  $$3000$$  pesos and increased by  $$5\%.$$  

(30 s) Is $$a^2+b^2+ab$$  the same as $$\left(a+b\right)^2?$$  

(30 s) Find the smaller root of the quadratic equation $$x^2-5x=0.$$  

(1 min) If you are taking a multiple-choice test and you see the options below, which one would you think is the correct answer?

(10 s) What is the largest possible sum of the digits of a four-digit number smaller than the number $$2000$$ ? If you don't have time, guess ahead.