-3w+2=-10w+30
add 3 w to each side
2=-7w+30
subtract 30 from each side
-28 = -7w
divide both sides by -7
w = 4
double check
-3(4) +2 = -10
-10(4) +30 = -10
so w = 4
The answer to this is y= 5.
Answer:
C. They are similar because their corresponding angles are congruent and their corresponding side lengths are proportional.
This is an example of observational study, because the biologist is not interfering or interacting with the subjects of study but just watching and registering data (recording with cameras).
The biologist is not conducting an experiment because (he is not setting up special conditions to register different responses to drive conclusions), and the biologist is not making any survey (questionnaires for example).
Answer: observational study
If you multiply 79.35 by 5 you'll get 396.75
So Peggy is correct they'll only make $396.75!
