Some researchers have noted that adolescents who spend a lot of time playing video or computer games are at greater risk of depression and violence. This is an example of
A. a valid conclusion since more time yields more aggression is a positive association.
B. an observational study with lurking variables that may explain the association.
C. a single-blind experiment because the subjects knew they were watching television.
D. a paired data experiment since we are studying both aggression and TV watching.

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

“a term can be a signed number, a variable, or a constant multiplied by a + sign or j sign. in , the terms are 5x , 3y and 8. when a term is made up of a constant multiplied by a variable or variables, that constant is called a coefficient.” i hope this you.

the answer is

d.

5.3066 m2

step-by-step explanation:

seven students earned $833 by shoveling snow. if they share the money equally, how much money will each student get

answer: each student earns $119

step-by-step explanation:

to find the answer you have to divide 833/7 which is 119