What is the result of adding the system of equations?

2x + y = 4
3x - y = 6

a) x = 2
b) x = 10
c) 5x = 10

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis