Determine if triangle a bc with coordinatesome a (0,2), b (2,5) and c (-1,7) is an isosceles triangle

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Collin did the work to see if 10 is a solution to the equation r/4=2.4

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters