Suppose it costs $48 to roll a pair of dice. You get paid $7 times the sum of the numbers that appear on the dice. Is it a fair game?

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  no

Step-by-step explanation:

The expected value of the sum of a pair of dice is 7, so the game's expected value is -$48 +$7×7 = $1. This is not zero, so the game is not fair.

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)