Answer:

Step-by-step explanation:
Answer: do ya own work luv
Step-by-step explanation:
Answer:
a) 62
b) 31/45
Step-by-step explanation:
a) The table tells you there are 42 males, and 20 more females that study biology.
42 +20 = 62 . . . are male or study biology or both
__
b) Of the total of 90 people, 62 are male or study biology (or both). The probability that any person is in that category is ...
62/90 = 31/45 = P(male or biology)
Answer:
14
Step-by-step explanation:
f(2)+g(2)
(2+4)+(2×2+4)
6+8
14