Question

please help . Answer all this question please ​

Answer 1

Answer:

4. 21 has the maximum frequency.

Answer 2

Answer:

1)11/10

2)x=-6

3) any polygon with all sides equal is called a regular polygon.

Regular hexagon

4)21 four times

5) no, because there is no real square root of 45

6)2¹/⁴=9/4 =2.25 years

Step-by-step explanation: