What is the standard form of 7+3i/2-5i a. -29/21+4/21i
b.-29/21-4/21i
c.1/29-41/29i
d.-1/29+41/29i

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55