The value of a professional basketball player's autograph rose 10% in the last year. it is now worth $231.00. what was it worth a year ago?

Find cot x if sin x cot x csc x = √2

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.