this is urgent please help me and no links please but like all jokes aside I’m so dead serious

Which value is not a solution of 8x^3 – 1 = 0

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

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?