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  • Publicado : 3 de octubre de 2010
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| |Proposition |
|( ) |12 is 75% of 9 |
|( ) |1 is a prime number|
|( ) |72 is the LCD between 24 & 36 |
|( ) |4 is the GCF between 152 y 136 |
|( ) |The varianceis 12.96 and the standard deviation 3.6 |
|( ) | 5 - (- 4)2 = -11 |
|( ) |The mean of: -3, 5, 4 & 2 is: 2.25|
|( ) |The LCD of 4 & 10 is 20 |
|( ) |The following number in the sequence -3, 1, 5, 9 is 15 |
|( ) |The relative frequency is the proportion ofa class in respect to the total frequency. |
|( ) |If a pair of shoes are worth $352 and the tax is 8%, the total price is $380.16 |
|( ) |The median of 4, 5, 7, 6, 2, 8 is 5|
|( ) |[pic] |
|( ) |The expresion [pic] |

Instructions :
Solve the following exercises and write the letter of the answer inthe line of the left columns.
|ANSWER | |
|1. ___ |The 120% of 720 is |
| |A) 1.67 B) 600C) 864 D) .00116 |
|2. ___ |Johnny bought a pant in $495 with a discount of 30%, ¿how much he will pay for it? |
| |A) $148.50 B) $ 346.50 C) $ 34.65 D) None of the above ||3. ___ |The prime factors of 80 are: |
| |A) ( 8) (10) B) (2)4 (5) C) (4) (2)(5)(2) D) None of the above |
|4. ___ |The Least common denominator (LCD) between 12 and 10 is:|
| |A) 90 B) 60 C) 120 D) None of the above |
|5. ___ |Which of the following has the rate 4 weeks to 5 days? |
| |A) 4/5...
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