16x - 2y = 74
2x - 2y = 4

a. (6, 3)
b. (5, 3)
c. (5, 0)
d. (6, 0)

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k

What term is given to the border between the central alps and the southern limestone alps?

Can someone answer all these questions i need it done by tonight. once again