Determine whether AB and CD are parallel, perpendicular, or neither. A(14, 13) B(-11,0) C(-3,7) D(-4,-5) Please show working clearly

The graph of a line gets what as the value of the slope gets bigger

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.