Probability
There are 3 brown fish, 2 green fish, and 6 blue fish in a pond. What is P(blue or green)?
8/11
-6+(-3)
-9
Write 124% as a fraction and a decimal.
1.24
124/100 or 1 6/25
3/4/2/5
15/8 or 1 7/8
Simplify:
4x^2 + 4x + 2+ 3x + 3 + x
4x2 + 9x + 5
Independent or dependent events?
In a card game, drawing an ace from a deck of cards, holding the card in your hand, and then drawing again.
Dependent Events
-7*(-4)
-28
A jacket normally costs $60, but is discounted 20% off. What price will you pay?
$12
2 4/5 / 1 1/4
56/25 or 2 6/50 or 2 3/25
3x^2-4x-4x^2+3x-2
-x^2-x-2
You spin a spinner with equal sections of red, yellow, green, and blue; and then spin it again.
What is the sample space (number of total combinations)?
16
-7-(-4)
-3
How much would you save on a $120 order of groceries if you had a coupon for 30% off?
$36
0.08 / 0.4
8/40 or 1/5
-3(2x+1)-7x+x^2
x^2-13x-3
You spin a spinner with equal sections of red, yellow, green, and blue; and then spin it again.
What is the P(red and yellow)
2/16 or 1/8
3(-5)+(-4) - 2
-21
A couch normally costs $600, but is on sale for 35% off. How much would you expect to pay for the couch?
$390
1.6 / 0.005
320
3+4(-2x+3)-6x-x^2
-x^2-14x+15
At SubMart, you can get white or wheat bread. Then you choose between chicken, beef, or pork. Finally you can choose veggies or no veggies.
Make sure your tree clearly shows all possible combinations.
Varies. 12 total options
2(6 + 2 (-4)) + -3 - 4
-11
A new pair of shoes costs $40 AFTER a 20% discount was applied. What was the original price?
$50
2.56/0.322
Round to the hundredth's place
7.95
Simplify:
2(x+5)+3x^2-2x-4+x^2
4x^2+6