I think that i got it but at the same time not sure but the value of a+b should be 14+20
B. Total number of times the activity is performed: Number of times an event occurs
The answer is D 16a: 1,2,3,4,8,16 and 18ab:1,2,3,46,9,18 a,b
Answer:
The answer is 0.4
Step-by-step explanation: