12a + 7(2000) > = 38000
12a + 14000 > = 38000
12a > = 38000 - 14000
12a > = 24000
a > = 24000/12
a > = 2000 <==== at least 2000 alumni would have to buy tickets
Answer:
Step-by-step explanation:
Answer:
-1.9b + 7.8
Step-by-step explanation:
I hope it helps liked it and make it brainliest
so the answer is:y=sin (∅)