In a group, the ratio of doctors to lawyers is 5:4. If the total number of people in the group is 72, what is the number of lawyers
in the group?

40

Step-by-step explanation:

5+4=9

72/9=8

5x8=40

hope it helps

32

Step-by-step explanation:

5+4=9

72 divided by 9= 8

8 x 4 = 32

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb