Mark bought 20 toy cars for $15. Tina bought 12 toy cars for $8. Use cross
products to determine if the given rates
are proportional.
A) Yes, the two rates are proportional.
B) No, the two rates are not proportional.

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step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

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for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

yes. we do proportions in probabilities.

.there can be infinite values of m and n that can satisfy the above equation. for each value of m of m or n. there maybe infinite sets of solution for the above

step-by-step explanation: