If both pairs of opposite angles of a quadrilateral are supplementary, then the
quadrilateral is a parallelogram.
o
a. true
o
b. false

Which system of linear inequalities is represented by the graph? !

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.

Iwill give you ! what is the measure of ∠v ?