Karin wants to use the distributive property to find the value of 19 • 42 + 19 • 58 mentally. Which expression can she use?
a)19(42+58)
b)(19+19)(42+58)
c)19(4258)
d)1919(42+58)
a)19(42+58)
b)(19+19)(42+58)
c)19(4258)
d)1919(42+58)