Simplify
(5x−2+3x2)+(4x+3)
Step by step please

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

This question awards 100 ! i really don’t want to fail i will also mark you !