Answer:
the answer is H. it's slope is 5/4 which is the opposite reciprocal of -4/5 and that makes the lines perpendicular.
7-3=4
4/2=2
The answer is 2
A equals 54
im thinking b equals 12 but i could be wrong
a is right though
That's addition of mixed numbers. Convert 3/7 and 5/9 to fractions with the denominator (7)(9) = 63 (this is the LCD):
10 27/63 + 19 35/63
This comes out to 29 62/63.
(18+ 18 +19+ 18 +24+ 21+ 21 +24 +23 +25+ 46 +28+ 21 +19)/14 =325/14≈<span>23.21</span>