Respuesta :
If p = 21 just plug it into the two problems
A) 3(21) + 52
63 + 52 = 115
B) 432 - 2(21)
432 - 42 = 390
Hope this helps! :)
A) 3(21) + 52
63 + 52 = 115
B) 432 - 2(21)
432 - 42 = 390
Hope this helps! :)