Write the quadratic equation whose roots are −6 and 3, and whose leading coefficient is 4. (Use the letter x to represent the variable.)

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 (%)

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?

Pleas ! its urgent! what is the value of x? enter your answer in the box. mm