Kajalsz

1) Simplify the following algebraic expressions:
a. 3x + 5x b. 9a - 6a +3b c. p + q - p - q + 1 d. 9x - 6x e. 2x + 3y - 5x f. 8x - 2x + 5x

2) A die is thrown once. Find the probability that it is:
- a six - an even number - a number greater than 4 - a prime number - a seven - a square number