In the figure, 1 = 5x + 8)°, 2 = (3x + 17)°, and
3 = (9x + 7)º. What is 3

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

Brent wants to know what is 5 x 1/2

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !