C because PEMDAS
(Please excuse my dear aunt sally)
Answer:
138 calories
Step-by-step explanation:
one Oz iced tea = 90/15 = 6
one Oz iced tea = 6 calories
23 Oz iced tea = 6 x 23 = 138 calories
99
because 0.49 is less than 0.5(0), we round it down.
Answer:

Step-by-step explanation:
The equation is 
Where h(x) is the height and x is the distance from where you are standing
The new distance is "1 foot farther from where you are standing" -- so this affects x, which becomes "x+1".
We simply replace x with x +1 in the equation of h(x) and simplify if possible:

THis is the new function.