math

can someone answer these ive been stuck on them for almost 2 hours !!!!!

1.which pair of ratio form a proportion? choose all that apply.

A. 1/6, 4/20
B. 7/9, 28/36
C. 14/18, 21/27
D. 30/80, 8/18

2.which pair of ratios does not form a proportion?

A. 3/5, 24/40
B. 30/10, 15/3
C. 9/14, 3/4
D. 7/12, 14/24

3.for which value of m is 4/16=m/24 a proportion?

A. m=6
B. m=8
C. m=12
D. m=14

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3. 👁 365
1. (7/9)(4/4) = 28/36
14/18 (3/2 / 3/2) = 21/27

The easy way is to use your calculator, for example 14/18 = .777777..... and 21/27 =.77777.....
but
30/80 = .375 and 8/18 = .4444...

2.
3*6 = 24 but 5*6 = 30 not 40
30/2 = 15 but 10/5 = 5 not 3
14/3 no way
but
7*2 = 14 and 12*2 = 24 YES

3.
16 m = 4*24
m = 6

check
4/16 = 1/4
6/24 = 1/4 yes

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posted by Damon
2. 1. is b and c

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posted by Julio
3. 1. b., c.
2.c
3.a
4.d
5.b

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posted by Yo tengo
4. Nice name YO TENGO BUT DO YOU KNOW DA WEY

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5. Yo Tengo's right! Thanks, dude! :)

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6. Yes Bradda, Da Wey is dis wey.

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7. thanks yo tengo

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8. No problem friend

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2. 👎 0
9. Gotta love Flamingo

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posted by blorp
10. thanks Yo Tengo

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11. @Blorp Of course, My good sir. Yo tengo to you. @struggles no problem, just helping out other kids who like to be bad and not learn anything (Im including myself so dont get mad at this comment) :D

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posted by Yo tengo
12. Lol pur to fast and got b and d out of order

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posted by Bro
13. ok thanks

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posted by idk

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