A cone with height h and radius r has volume V = 13πr2h. If h is 12 in. and V is equal to 4πx2 – 24πx + 36π, what is the cone’s radius r in terms of x?

If g(x) is an odd function, which function must be an even function?

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers