An auditorium has 20 rows of seats. there are 20 seats in the first row, 21 seats in the second row, 22 seats in the third row, and son on. how manny seats are ther in all 20 rows

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Describe the domain and range of y=2(3)^x-2+5

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap