V(X+8)=x-4

Solve.
Radical equations and inequalities edge test is so hard smh

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

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

What does x = in this equation x+3+2x=x+5