Given the side lengths, determine whether the triangle is acute, right, obruse, or not a triangle YOU MUST SHOW PROOF for your answer. 9, 15, 19

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

What is the anwers for 9+2x=5x-3-x

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.