Molly increased her original score as a bowler by 20% giving her a new score of 75. What was her original score?

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).