Answer:
B
Step-by-step explanation:
x² - 4x - 7 = 0
(x - 2)² = 11
Answer: <em>40.5</em>
<em />
Step-by-step explanation: If it help please thanks me!
a. Venn diagram attached below.
b. 2 students are in neither English nor Chemistry.
c. The probability that a randomly chosen student is only taking chemistry is 24/40, or 6/10 because out of the 40 students, 24 of them take exclusively the chemistry class.