Answer:
C
Step-by-step explanation:
Anything less than 5 rounds down while 5 and anything more rounds up. Therefore...
15.3 rounds to 15
7.9 rounds to 8
7.4 rounds to 7
So, his answer is reasonable.
? = 43.8°
cos ? = 13/18 = 0.7222
30 × 8 = 240 is the answer
A, F, and C are the correct options.
