20+2N=52
now subtract 20 from each side, to get 2N alone
2N=32
now divide each side by 2
N=16
X³ - 12x² + 35x
x(x² - 12x + 35)
x(x-5)(x-7)
mary is the 4th childs nam,e
Answer:
a. 1.25 laps per min
b. .8 min per lap
c. 17.6 minutes
Step-by-step explanation:
