# Posts by Jennfer

Total # Posts: 5

**Geometry**

Michael is standing in the middle of a playground at night looking at the American flag at the top of the flag pole. If he knows he is 50 feet away from the base of the flag pole and his father told him the pole is 100 feet tall, what is the angle that Michael is looking up ...

*July 10, 2014*

**Geometry**

A 20 foot extension ladder leans against Paul’s barn wall creating a 65° angle with the ground. How many feet (to the nearest tenth) above the ground is the point where the ladder touches the wall?

*July 10, 2014*

**biomecular sciences**

I need to calculate beta-galactosidase units for a lab and i am really having a hard time. please show me how to calculate. A B C OD 600 .166 .109 .105 0d420 A1 .74 A2 1.40 B1 .16 B2 .33 C1 .10 C2 .11 average of 420 = 1.07-A, .25 = B, .15 = C, and .18 for Lb Od550 A1 .89 A2 ....

*March 7, 2012*

**Math**

a student answers 75% on a math exam correct. If he answer 60 questions correctly How many questions are on the exam.

*February 10, 2011*

**3rd grade Math**

Actual question on homework."EXPLAIN HOW YOU CAN BREAK APART ARRAYS WHEN YOU MULTIPLY BY 3." (there is no array on the paper to use) I don't like this new math, what was wrong with the old math I learned, I am Accounting /Finance supervisor, but don't ...

*January 21, 2010*

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