There are 4500 lower level seats and 2000 upper level seats. what is the ratio of lower level seats to total seats

The ratio would be 4500:6500 or if simplified 9:13

Step-by-step explanation:

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

by definition, an arc subtended by a central angle of some given measure has the same measure. so .