Guys , pls help me with this.....pls pls , if u did i'll add u as brainliest and give u the highest rate so pls anyone help me this questions pls pls

Guys pls help me with thispls pls if u did ill add u as brainliest and give u the highest rate so pls anyone help me this questions pls pls class=

Respuesta :

47. 116-(-79)=195

48. 25×100/20=125

49. 14

50. r= 176/2π=28

51. 12x²+4xy-4y²

52 9×25=225

Step-by-step explanation:

1.166-79

2. 20÷100×25

3.2-1÷7

4.176÷2

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