Iwill be the happiest person alive to give 20 points. just me with these 5 questions

The first one is C

The second one is D

The third one is C

The fourth one is B C and D

The fifth one is A and D

For the first answer is C 1/4 + 1/4 +1/4  +1/4

Because 4/4 equals 1 and C is the only one that equals 1

For the second question  the answer is 7/3

Because if you do 3 times 2 equals 6 then plus one equals 7 and then you keep the 3 so it will be 7/3

For the third question the answer is C 1/6 + 1/6 + 1/6.

3/6 can be simplified into 1/2 so that is your answer C

For question four the the answer is  B C D

For the fifth question the answer is A B D

I hoped I could help will like brainlest but don't have to get it

step-by-step :

2: 10

step-by-step explanation: