# Posts by zana

Total # Posts: 11

**math**

at a certain time of day a 5 foot 11 inch woman casts a 3 foot 11 inch shadow. how tall is a nearby tree that casts a 14 foot 5 inch shadow at the same time of day?

*February 23, 2015*

**finance**

mr. brown is in the 10-percent federal income tax bracket and wants to invest $8000 in interest-earning assests. Mr. Black is in the 35-percent bracket and wants to invest $15,000 . The current rate on a typical high-quality tax-exempt municipal bond is 5 percent and on a ...

*December 30, 2012*

**pre-calculus**

$100,000 is divided into two investments with annual returns of 4% and 7.5%. find the amount invested at the lower rate if the total income at the end of the year is $5050?

*October 13, 2011*

**pre-calculus**

$100,000 is divided into two investments with annual returns of 4% and 7.5%. find the amount invested at the lower rate if the total income at the end of the year is $5050?

*October 13, 2011*

**Algebra**

The height in feet of a ball t seconds after it is thrown upward is given by height = -12t squared+87t +8 find the height of the ball 2 seconds after it has been released

*September 20, 2011*

**Chemistry**

Knowing that delta h vaporization for water is 40.7 kj/ mol calculate p vaporation of water at 37 degress

*January 1, 2011*

**chemistry**

how do you convert? how do you figure out molar masses?

*January 20, 2010*

**business**

A garage wishes to analyse the costs of servicing its range of cars. The costs of servicing cars over the past month are shown. 250 200 375 394 415 405 340 365 417 400 336 245 280 442 422 460 300 405 417 435 193 275 355 225 318 375 390 149 390 468 390 345 95 355 525 575 400 ...

*July 8, 2008*

**biology**

How is the sense of smell related to learning/survival?!!!

*March 13, 2008*

**social studies! weee**

lol thank you!

*January 29, 2008*

**social studies! weee**

What does mutualista mean? need answer or web site! thank you for your help! have a nice day and see you next fall!

*January 29, 2008*

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