If the f(x)=2x-1 and g(x)=x^2-1 find what the g(f(a-1)) is

please help quickly

Write the sentence as an equation. z plus 372 is equal to 160

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.