Help please, -16-4g=6g-6g?

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?