Given s(x)=3x-6 and t(x)=6-3x Find the simplified formula and domain for the following (see attached photo) thank you so much in advance !

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

In angle pqr find the measure of