Solve the system of equations by substitution. Show all work neatly on your work page. Checking your answer is wise. :) Plz need 3x + 2y = 7

y = -3x +11

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in