Adog walks due east 180 ft to a corner.
after turning through an angle of 81.5°,
the dog walks 329 ft. to the second
· corner. then the dog walks back
to the starting point.
what is the area of the triangle
formed by his path?
area = [ ? ] ft.
round to the nearest hundredth,
enter

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