I need help on this question

  -7/30

Step-by-step explanation:

You can use 30 as the common denominator.

  7/10 = (7/10)(3/3) = 21/30

  14/15 = (14/15)(2/2) = 28/30

Then the difference is ...

  7/10 -14/15 = 21/30 -28/30

  = (21-28)/30 = -7/30

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i