Does anyone know the answer to this khan academy problem??

(-840/13,0) I think? I'm honestly not sure about this one

Step-by-step explanation:

(-30-(-45))/(48-61)=15/-13

(y-y1)=m(x-x1)

y-(-30)=-15/13(x-(-30))

y+30=-15/13(x+30)

y+30=-15/13x+-450/13

y=-15/13x+-840/13

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.

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step-by-step explanation: