Some people advise that in very cold weather, you should keep the gas tank in your car more than half full. irene's car had 5.5 gallons in the 14-gallon tank on the coldest day of the year. irene filled the tank with gas that cost $3.70 per gallon. how much did irene spend on gas?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.

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Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?