Answer:
1). Option (3)
2). Option (D)
Step-by-step explanation:
1). Integers are the numbers which are whole numbers with negative or positive notations.
Integers can't be a fraction or a number with decimal.
Out of the numbers given,
-18 and 4 will be the integers
Option (3) is the correct answer.
2). Shaded portion of the diagram represents the rational numbers excluding integers,
By the definition of the rational numbers, any number which can be written as a fraction is a rational number.
Rational numbers → All numbers given are the rational numbers
Integers → 
Therefore, only one number
will lie in the shaded region.
Option (D) will be the answer.
Since at most means that's the highest you can go
x ≤ 10
Answer:
His teacher advised it because he did not have time to tutor Euler privately
Step-by-step explanation:
We know that
Euler in his autobiographical writings, talked about his tutor Johann Bernoulli. He claimed that his tutor was a very busy person who refused to give him private lessons, but gave him many valuable tips to start reading and studying more advanced math books on his own.
therefore
His teacher advised it because he did not have time to tutor Euler privately
What type of math is this geometry chemistry?