Find an equation equivalent to r=6secθ in rectangular coordinates and describe the graph of the equation.

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

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 (%)