Virginia bought 18 packs of envelopes for $2 each and 15 packs of you cards for $4 each . if she gives the cashier $100, how much change should she receive?

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

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