What is the rate of constant change for 3x+5y=4? If there is no constant rate say no. (***make a table of points to find the rate)

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2