Which value represents the rate of change of f(x)=x^3+x+1 from x=1 to x=3?

Which of these triangle pairs can be mapped to each other using two reflections?

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

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?