\huge \tt \: ✎union \: and \: intersection✎unionandintersection
\large \rm \: the \: set \: of \: all \: elements \: of \: \: two \: sets\: is \: the \:\large \green{{ \sf{union.}}}thesetofallelementsoftwosetsistheunion.
\large \rm \: the \:set \: composed \: of \: common \: elements \: in \: two \: sets \: is \: the \: \large \green{{ \sf{intersection.}}}thesetcomposedofcommonelementsintwosetsistheintersection.
{Suppose A = {a, b, c} B={c, d, }. \: A∩B = {c} A∪B = {a,b,c,d}.
\begin{gathered} \large \tt solution : \\ \large \green{{ \sf{understand \: the \: concept \: of \: intersection \: and \: union.}}}\end{gathered}
solution:
understandtheconceptofintersectionandunion.
{ \large { \pink{ \overline{ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: }}}}
{} \ _{ \red{ \heartsuit}}
A resting heart rate is 60-100bpm for the average adult. Generally, a lower resting heart rate implies more efficient heart function and better fitness. I'm not sure on the second part, sorry.
This is known as congestive heart failure
There are numerous diseases and viruses that can be contracted from airborne germs. Out of the choices given here, the answers will be the flu and strep throat. Both are highly contagious.