Ineed solving an=a1+(n-1)d and i'm suppose to solve for d. i need : )

It says factor each expression completely 8y+48

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

What dimensions can créate more than one triangle ?