Please Help me with These

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

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Which graph represents the function g(x) = |x + 4| + 2?