Respuesta :

Answer:

18 = 8 division a number

20 1 plus a number

21 3 times a fraction i think

22 n subtract a number

23 7 divide a number

24 y times ig

i dont really remember but ask ur teacher or someone else some of thedse might be wrong but this is my best shot i hope it helps

Step-by-step explanation:

18. A number divided by 8
20. K plus 10
21. 1/3 multiplied by a number
22. A number divided by 2 subtracted by 30
23. -7 times a number minus 1
24. 2 multiplied by a number plus 13