What is the final speed of a car that accelerates at 40 ft/s2 for 1 seconds if it's initial speed was 40 miles per hour, to 1 decimal place? Answer in miles/hour

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

Which is the completely factored from of xy^3-x^3y

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