The total cost of a desk and a stool is $86.50. The stool costs $25.50 less than the desk.
How much does the stool cost?

What term makes it inconsistent y=2x - 4

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 (%)

Find the domain and range of the following function f(x) = 51x - 21+ 4