Answer:
a. 
b. 
c. 
d. -6t - 5
Step-by-step explanation:
When a number has the same variable as another, you can add or subtract them
So for the first one, you can do

(But don't forget the
!)
So it is:

Continue this process for the rest of them
Answer:
B, or second answer choice
Step-by-step explanation:
y -
= m(x -
)
y - 1/3 = 3/4 (x - 4)
B
After 12 hours the pound would have 720 pounds of algae.
if we take £15837.77 to be the 100% and we increase it by 18.5%, that'll be 100% + 18.5% = 118.5%.
