Atriangle has vertices (-1, 2), (3, 1), and (7, 2). what is the approximate perimeter of the triangle? round your answer to the nearest hundredth.

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

Find two numbers if their sum is 91 and the ratio is 6: 7?