Answer:
Hello! answer: 13
Step-by-step explanation:
-4 × 13 = 52 therefore a = 13 HOPE THAT HELPS!
Answer
16/144
If that doesn't work, try simplifying the fraction.
Answer: B) Culture B
Step-by-step explanation:
As culture B doubles every hour you would have over 2.6 million by hour 18, far, far more than culture A, which increases by 1.5x each hour, that would only become 1.4 million.
Must use quadratic equation or complete the square
quadratic formula
for
ax^2+bx+c=0
x=

0=6x^2-2x+5
a=6
b=-2
c=5
x=

x=

x=

x=

x=

x=

or x=