Answer:first one .
Step-by-step explanation:
n/a
= - 4.2x + 3 + 2.5x - 6
= 2.5x - 4.2x + 3 - 6
= - 1.7x - 3
Answer:
-a+-2b+4c
Step-by-step explanation:
Combine like terms
-4a+ 3a= -a
b+ -3b= -2b
3c+ c= 4c
The expression that represents the number of days until only 10% remains is
T((d) 10%) = 100 • (1/2)^3.322
