Which animal does not live much of his life underwater frog caecilian toad mole

What is the area of triangle pqr on the grid? a triangle pqr is shown on a grid. the vertex p is on ordered pair 7 and 6, vertex q is on ordered pair 1 and 6, and the vertex r is on ordered pair 4 and 2. 5 square units 6 square units 10 square units 12 square units

Find the sum of the following series. round to the nearest hundredth if necessary.

Hi, can anyone show me how to do this problem? 100 points for this. in advance