What do physical changes do?

alter the chemical structure of a substance

becomes a new chemical substance

increase the total mass of a substance

affect the size, shape, and phase of a substance

Factors of 43904 Thats all i need to know

What is 24 - (-14) =

Of the 13 people who have taken their seats at a seminar, 5 have red hair. What is the experimental probability that the next person to take a seat will have red hair? Simplify your answer and write it as a fraction or whole number. P (red) =

It is estimated that the population of the world is increasing at an average annual rate of 1.3%. The population was about 6,472,416,997 in the year 2005. Write an equation for the population t years after 2005.

If y=7.5 when x=0.5, find y when x=-0.3

17.2 hg equals how many g

What is the greatest common factor of the terms of 3y2 - 21y + 36?

64 miles an hour converted to ft per second

A cricket chirps 40 times a minute when the temperature is 50 degrees. write an equation representing the temperature in terms of number of chirps per minute

Is 6/8 is greater than or less than 2/3