Answer: i would help but i have no idea but i think its (a)
Step-by-step explanation:
add the a´s first then the b´s
Answer:
1. 100 which Is the easier one
2. 5
Answer: 1. 1,0 2. -1,9 3.-20
Step-by-step explanation:
Answer:

Step-by-step explanation:

(2 spreadsheets, 3 databases and 4 presentations,


As not mentioned other wise equal chances of all the outcomes is assumed so, by the classical definition of probability,
P(The chosen item is a odd numbered database)
=
5x + 3y = 460
5(x + y = 120)
5x + 5y = 600
Use elimination subtraction
-2y = -140
y = 70
There are 70 student tickets