Can someone tell me if this is right?

(no promises this is exactly right)

-2r+6

Step-by-step explanation:

−3r+9+r+−3 =

(−3r+r)+(9+−3) =

−2r+6

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.

i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

step-by-step explanation: