5.8t + 15 = -14 t=?

Please answer what t is equal to, and I would appreciate it if you would show ALL steps. (including how to use long division to divide the decimals)

Miguel bought a movie ticket that cost $5. he also bought popcorn and a bottle of water. how much did miguel spend altogether?

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}