2=1.4142135623730950488016887242096980785696718753769480731766797379907324784621070388503875343276415727...

π=3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679...

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Check your basic mathematics skills:

1. What is the value of the following expression? 488(2+10/5)

2. What is the value of the following expression? (128)2+(158)2+(48)2

3. What is the value of x in the equation x + 3 = 35?

4. What is the value of x in the equation x + 13 = 5?

5. What is the value of x in the equation 2x + 3 = 1?

6. What is the positive value of x in the following equation? x3=12x

7. A class has 30 students, 18 of which are interested in data science. What is the proportion of students who are not interested in data science? Express your answer in a decimal.

8. In a bag of 24 apples, 3 are rotten. What is the proportion of apples that are rotten? Express your answer in a decimal.

9. Evalue the expression 2.43+1.2(2.5)

10. How many values satisfy the following the equation? x(x29)=0