7). Evaluate for a = 8; b = - 4; c = 10: b + a - 5c Answer:_______

8). Solve these equations (find x): a). 7x + 12 = 33 x = _____ b). 58 - 3x = 37 x = _____

10). First write the equation, then solve it: If you take a third of my number and increase it by 6, you get 8. What is my number?

Equation: __________________ x = _____

11). I have 3 numbers. Two of the numbers are 86 and 94. The mean (average) of the 3 numbers is 97. What is the third number? Answer:_________

12). Find the probability of drawing cards out of a standard deck of 52 cards: a). a 9 or an 8 _______ b). a 9 of spades or an 8 of hearts ________

13). When I roll 2 dice ...

a). what is the probability of rolling a sum of 2? _________

b). what is the probability of rolling a sum of 9? _________

14). What is the probability of flipping a coin 3 times and getting a "tails" each time?


Answer:_______

15). Find the circumference C = _______

16). Find the area of this half circle: Area: _____