Which is the best description of the equivalency of the two expressions? Expression 1
5x? - 2x-4+6x+ 3
Expression 2
6x² - 6x+6-x?+ 10X-7
The two expressions are not equivalent because when X= 2, the two expressions do not have the same value.
The two expressions are not equivalent because when they are simplified, they do not have the same coefficients
for the x? and x terms.
They are equivalent because the sum of the constants is the same in both expressions.
They are equivalent because when x = 2, the two expressions have the same value

Which best summarizes the finding of avery? a. some traits are recessive. b. humans reproduce sexually. c. dna is a transforming factor. d. traits cannot be inherited.

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area