A dolphin swam 712 miles in 38 hour. What was its average speed in miles per hour (mph)?

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

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 (%)