The music store sold 12 trumpets and 19 clarinets last month. a) Write an equation to show the amount of money earned on trumpet and clarinet sales last month. Define your variables.

b) If clarinets sell for $139.95 and the store made $4578.45 from sales on the two instruments, find the price of a trumpet.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Is the square root of 4 plus the square root of 16 rational?

He graph of f(x) = |x| is stretched by a factor of 0.3 and translated down 4 units. which statement about the domain and range of each function is correct? the range of the transformed function and the parent function are both all real numbers greater than or equal to 4. the domain of the transformed function is all real numbers and is, therefore, different from that of the parent function. the range of the transformed function is all real numbers greater than or equal to 0 and is, therefore, different from that of the parent function. the domain of the transformed function and the parent function are both all real numbers.