I’ll put you as brainlest

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Polynomial that can be factored as (3x-4)(3x+4)

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq