Jessica notices that party central is running a special for play packages. the advertisement shows that each package includes 3 rounds of go-karts and 45 arcade tokens, plus $2.00off the regular price. there is a group of seven friends purchasing this package, including jessica. let represent the cost of a round of go-karts, and let t represent the cost of a token. write two different expressions that represent the total amount this group spent. explain how each expression describes the situation in a different way.

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question

given the diagram below, what is md?

the sum of the interior angles is 360°

take away from 360 the sum of the knows angles and you will have the angle d.

360 - 108 - 108 - 72 = 72°

in counting the number of heads in 4 coin flips, the probability that we get exactly one head is the probability that we get anyone of the following 4 outcomes: httt, thtt, ttht, or ttth. each has probability 1/16, so the probability to get exactly one head in 4 flips is 1/16 + 1/16 + 1/16 + 1/16 = 4/16 = 1/4.