Given complex numbers z^1= 12 + 6i and 2=-8+ 2i, find z^1+ z^2. a.20 +4i
b.-4+4i
c. 10 - 2i
d. 4+8i

Why do interests rates on loans to be lower in a weak economy than in a strong one

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?