During second period jeff completed a grammar worksheet , of the 76 question , jeff got 25% right , how many questions did jeff get right ?

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 (%)

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Which of the following represents the factorization of the trinomial below? x^2+7x-30