Answer:
A, C, E
Step-by-step explanation:
You can put A, C, and E in the blank.
Answer:
900
Step-by-step explanation:
To get your answer, you can just multiply 20 seconds by 3 to get 60 seconds, which is a minute.
Since whatever you do on one side you have to do to the other, multiply 300 mi by 3 as well. That would get you 900.
Answer:

Step-by-step explanation:
To find (c.g)(x) we basically use the function d(x) as your variable, x, and plug it into c(x). So we replace every x in c(x) with the function d(x), 
c(g(x))=4(x^{2} +5x)-2
c(g(x))4
+20x-2
Answer:
You didn't provided the answer choices, but the answer is he scored 22 points in total.
Step-by-step explanation: