Trying to solve y + 4 = -5/3(x-5) do i get y = -5/3x + 25/3 or do i multiply everything by 3 to get -15x + 21? provide how.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

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