The mean quiz score for 8 students is 50 . The scores for 7 of the 8 students are shown below. What is the score for the remaining student?

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

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What makes a trapezoid an isosceles trapezoid?