What is about mathematica that have you changed your thoughts about it?

The trigonometric ratios sine and secant are reciprocals of each other

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55