Given R(x) = x(4,000 - 58x) and C(x) = 3,000 + 400x where x is thousands of computers, and Cost and Revenue are in thousands of dollars. 1 Find the price-demand equation

Ineed with number 17 i don’t get it at alll

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?