Look at triangle ABC. A (4.5)
5
4
3
N
B (1,2)
C (4.2)
1
5 -4 -3 -2 -1 0
1 2 3 4 5
-1
-2
-3
-4
-5
What is the length of side AB of the triangle? (1 point)
Оа
VE
Ob
3
Ос
118
Od 6

Timed***how else can the sequence for row 1 be written? notice: square a: 1 penny = 20 square b: 2 pennies = 21 square c: 4 pennies = 22 the sequence formed is geometric, with a1 = , and common ratio r = .

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places