Which of the following constants can be added to x^2 - 10x to form a perfect square trinomial?
10
25
100

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

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The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.