Answer:
B. Methodology
Step-by-step explanation:
The methodology of anything is how it's done. In an observational study, methodology would describe how the study is done: how the data is collected and how decisions are made.
400? I’m confused what you’re asking me to do !
Recommend opinion of the national scientists
Answer:
A) 0 (no solutions)
Step-by-step explanation:
Solve the equation:
3x - 10(x+2) = 13 - 7x
3x - 10x -20 = 13 - 7x
-7x - 20 = 13 - 7x
-20 = 13
Since both sides are clearly not equal to each other, no solution can satisfy both sides to be equal to each other. So A is correct.