The distance walking a marathon at a constant speed is directly proportional to the time of walking. if jennifer walked 9 miles in 3 hours, how many miles will she walk in 5 hours at the same constant speed?

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

When y’all answer can y’all explain too !