# kassandra

1. ## Math

There are 15 bits and 12 girls in ms.smiths class.What is the ratio of girls to boys written as a fraction in simplest form
2. ## english: language arts IV

Capitalation:Please identify which answer has ALL words properly capitilization. The houston zoo is a wonderful place for Children.
3. ## Bmcc

A rectangular air mattress is 200 cm long, 50 cm wide and 8 cm thick. If it has a mass of M=2 kg, what additional mass X can it support in water? Hint: Volume=L x W x H; Archimedes Forces B= (density of water) x V x g; M+X=B
4. ## math

a minute is 0.00000019 of year .calculate the part of a year a second represents ? express your answer in scientific notation.

-7x+7y=7 2x-2=-18 how many solutions does this system have ?
6. ## science

a student stands at the edge of a diving board that is 3 m high. the student's weight is 350 N. what is the student's gravitational potential energy relative to the surface of the water?
7. ## chemistry

give 2 commercial or practical uses of this flame color phenomena.
8. ## Pre-algebra

How do you simplifyan algebraic equation?