Answer two questions about Equations AAA and BBB: \begin{aligned} A.&&5x&=20 B.&&x&=4 \end{aligned}
A.
B.




5x
x


=20
=4


1) How can we get Equation BBB from Equation AAA?
Choose 1
Choose 1

(Choice A)
A
Multiply/divide both sides by the same non-zero constant

(Choice B)
B
Multiply/divide both sides by the same variable expression

(Choice C)
C
Add/subtract the same quantity to/from both sides

(Choice D)
D
Add/subtract a quantity to/from only one side
2) Based on the previous answer, are the equations equivalent? In other words, do they have the same solution?
Choose 1
Choose 1

(Choice A)
A
Yes

(Choice B)
B
No

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

In a study of the relationship between socio-economic class and unethical behavior, 129 university of california undergraduates at berkeley were asked to identify themselves as having low or high social-class by comparing themselves to others with the most (least) money, most (least) education, and most (least) respected jobs. they were also presented with a jar of individually wrapped candies and informed that the candies were for children in a nearby laboratory, but that they could take some if they wanted. after completing some unrelated tasks, participants reported the number of candies they had taken. it was found that those who were identiď¬ed as upper-class took more candy than others. in this study, identify: (a) the cases, (b) the variables and their types, (c) the main research question, (d) identify the population of interest and the sample in this study, and (e) comment on whether or not the results of the study can be generalized to the population, and if the ď¬ndings of the study can be used to establish causal relationships.