The sum of three numbers is 84. The second number is 2 times the third. The third number is 8more than the first. What are the numbers?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square