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: _____