Porcentajes •Halla los siguientes porcentajes.
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•a) 15% de 300, b) 25% de 8,000, c) 50% de 7,500,
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•d) 45% de 1000, e) 30% de 3,600, f) 25% de 5,500

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

What is the total surface area of this square pyramid?

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?