Which of the following is not equal to 63.7 mm?

6.37 x 10 4 µm
6.37 x 10 -5 km
637 cm
0.637 dm

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Icould really use some with this question.

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.