Question

plz answer me these 4 questions guys hope anyone help me and dont waste time here in abusing​

Answer 1

Answer:

Hello mate here is your answer

1. A infinite many solutions

2. the class mark of 60-70 is 65

3.The formula of lateral surface area of cube

$4 {a}^{2}$

so the edge is 20

4.the probability of head is 1/2

I hope u got all the answer

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Answer 2

Answer:

4- a

5- c

6- c

7- c

Step-by-step explanation:

4. since m is arbitrary, so any value of x and y can satisfy, so it has infinitely many solutions.