Question

Solve: 2x-3 = 15

7) Find the mean of 5,10,15,20,25

8) Find the area of triangle whose base is 18cm and altitude is 10 cm. 9) Find the value of 6

4

10) Add: 2a,3a,5a​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

15 is the mean. it is right answer