Respuesta :

Answer: 23, 5, 3

Step-by-step explanation:

Problem a)

5 + 2 x 3^2

5 + 2 x 9

5 + 18

23

Problem b)

7 + 8 / 5 - 2

15 / 3

5

Problem c)

18- 3 x 2/ 5 - 1^2

18 - 6/ 5 - 1

12/4

3

Answer:

  1. a is 7×9=63
  2. b is 15 /3=5
  3. c is 30 / 4 = 7.5

I don't think you should doubt the ability to do well you should have confidence in your self .