An investor invested a total of $1,100 in two mutual funds. One fund earned a 7% profit while the other earned a 2% profit. If the investor's total profit was $47, how much was invested in each mutual fund?

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 (%)

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

See attachment below and find the equivalent of tan(∠qsr)