What is the best first step in solving -4x + 2/5 > 5/10
a.) add 2/5 to both sides.
b.) subtract 2/5 from both sides.
c.) multiply both sides by -4 and reverse the inequality symbol.
d.) divide both sides by 10 and reverse the inequality symbol.
will mark you brainliest pls

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

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.