I'm not 100% sure but I think #2 is B and #3 is D but if im wrong Im so sorry
1/4 • 4/4 = 4/8 + 1/8 = 5/8 the dot means to multiply
Perpendicular bisectors are segment that passes through the mid point of a triangle, while altitude is the perpendicular distance from the base to the opposite vertex.
-5 because it is closest to zero and -17 is farther than zero on a number line :) <span />
So you put the mixed number into an improper fraction
Ex:
1 6/12
12 times 1 plus six is 18
18/12 minus 1/3 is 14/12