which expression is equivalent to 7 3/4 - 1/2 A) -7 3/4 + (1/2) B) 7 3/4+ (-1/2) C) 1/2+ (-7 3/4) D) 1/2 + 7 3/4 please answer with a, b,c, or d

Step-by-step explanation:

73/ 4 carries additional sign +

1/2 carries (-)

so it will be 73/4+(-1/2)

It is B

1 and 2

step-by-step explanation:

step-by-step explanation:

∆abc has the points a(1, 7), b(-2, 2), and c(4, 2) as its vertices. formed with the point d(1, 2) as its third vertex, then ∆abd is triangle.