ryusukeelikesyouuu ryusukeelikesyouuu 13-12-2022 Mathematics contestada evaluate each expression a) [tex]x[/tex] + 5,when [tex]x[/tex] = 4 b) 6[tex]y[/tex] - 15 , when [tex]y[/tex] = 2 c)2[tex]w[/tex] + 8, when [tex]w[/tex] = 5 d -3[tex]z[/tex] - 7, when [tex]z[/tex] = -6