Daniela buys records for 9$ each. She buys 8 records how much money does Daniela spend

Solve the x in the equation x^2+14x+17=-96

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?