# Posts by tas

Total # Posts: 8

**chemistry**

The density of a certain type of plastic is 0.89 g/cm3. If a sheet of this plastic is 10.0 m long, 1.0 m wide, and 1.0 cm thick, what is its mass?

**Chemistry**

How do you complete the following by writing products? #1.Ca(OH)2+MgCl

**Calculus**

Show 1/4 of a set of 8 counters

**Physics**

An ultrasound pulse from a boat is directed at the sea floor. Ultrasound travels at 1400 m/s. The pulse take 0.5 seconds to return to the boat. What is the depth of the sea in this area?

**algebra.. HELP ME!!**

Whoever, 'Mrs. Sue' is, is not a teach, you idiots, the answer is wrong, people are such retards these days.

**math**

mrs. karson's music class includes both 6th and seventh graders. the ratio's of 6th graders to students ine the class is 4:7. there are 9 seventh graders in the music class how many students sre in the class?

**Algebra**

Solve the system of equations by the substitution method X+9y=32 2x+4y=8

**debating on**

is human better than grass (opposed) Grass is better because without it we would be dead right now! The grass gives us oxygen to breathe! GRASS MUCH BETTR

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