Since there are 21 questions and one is extra credit, the fraction is 21/20. Divide it to get 1.05. In percent, this is 105%. Hope this helps!
The answer is B because a rational number is a number that can be expressed as a fraction and 1.425 can be written as 1425/1000
Answer:
5
Explanation:
Data Set : {11, 13, 9, 4, 6, 5, 8, 10}
Arrange ascendingly: {4, 5, 6, 8, 9, 10, 11, 13}
Quartiles:
Interquartile Range: Q3 - Q1 = 10.5 - 5.5 = 5
Im pretty sure it would be 48 since the beginning number is 50 and A is 2 more down. and if 1 mark = 1 unit then i think it will be 48
