What is the surface area of the regular pyramid below? 19 16 16 A. 864 units²
B. 856 units²
C. 756 units²
D. 952 units²​

Write the equation of the circle centered at (10,-2) with radius 2

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.

Given that the images represent 4 steps in the construction of a line segment congruent to a given line segment, which is step 3 in the construction?