12-12 is 0, so -.30(12-12)^2 = 0
c(0) = 40
Answer:
Step-by-step explanation:


X = 47°
y = 90°
These are the angles, comment if you would like to know the explanation but these are the answers
Answer:
Cost to a rent a snorkel
, Cost on 10 rent snorkel 
Step-by-step explanation:
Given,
Tourist spend on rent snorkel and fin=
10 snorkel and 12 pairs of fin
Let the cost to rent a snorkel be =
x
and cost of a pair of fin is =
y
x=3y (given condition)






Cost of a pair of fin= 



Cost of rent a snorkel
Total cost of a rent snorkel

=