Using suitable properties find -1/2 x 4/3 - 3/4 + 1/2 x -3/5

pls answer fast

Let r = 3. what is the value of r + 58?

The transitive property of equality states that: o if a = b, then bra o if a = b, then ac = bc o if a = b and b= c, then a = if a = b and c= c, then a + b = b + c

Which statements about these triangles is true