Answer:
12
Step-by-step explanation:
AD is 6. a bisector splits a line in half. X would equal 6 meaning AD would equal 12.
The first two rows of coefficients are identical, so by inspection, the determinant is 0.
Answer:
56
Step-by-step explanation:
Answer:
Step-by-step explanation:
m + 62 = 45
m = -17
x + 25 = 8
x = -17
70-40= 30
30/2 = 15
40/2= 20
15 x 20 = 300