Define the independent and dependent variables:

A researcher was interested in finding out if type of learning was related to class performance. She randomly assigns 100 General Psychology into 1 of 2 groups: 50 students use computerized instruction exercises; the other 50 spend an equal amount of time reviewing the text and lecture notes. At the end of the semester the researcher compares final exam scores in both groups.

what is the actual question though?

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min