A submarine is submerged in the sea at a depth of -560 meters. If the submarine ascends at a rate of 18 meters per minutes , how many minutes will it take the submarine to reach a depth of -272 meters

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 (%)

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1