If you divide 30 by half and add ten, what do you get?

70

Step-by-step explanation:

Dividing is multiplying by the reciprocal.

So 30 divided by 1/2

is like 30(2)=60

Then add 10 so 60+10=

70

70

Step-by-step explanation:

 30

+ 10 = 60 + 10 = 70

(1/2)

4 + 5 7/9= 9 7/9

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value