What is 9-1.8 times 4+7 using the order of operations

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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 is the value of m in the equation 1/2 m - 3/4n=16 when n=8